# ELECTRICAL ENGINEERING BY HANDA PDF

I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan Current Electricity 1. The S.I. unit of power is (a) Henry (b) coulomb. Download Electrical Engineering Objective Type By etgabentisttus.cf, etgabentisttus.cf – More Than Objective Type Questions, authored by M. Handa and A. Handa. DOWNLOAD – Mechanical Engineering Objective Type By etgabentisttus.cf, H.B. Keswani – Free Download PDF IS THIS MATERIAL IS HELPFUL, KINDLY SHARE IT. Author: BENNIE SALIZAR Language: English, German, Hindi Country: Hungary Genre: Academic & Education Pages: 286 Published (Last): 28.08.2016 ISBN: 343-8-26115-542-4 ePub File Size: 17.70 MB PDF File Size: 20.87 MB Distribution: Free* [*Registration needed] Downloads: 50250 Uploaded by: ADRIA Have downtimes? Read Electrical Engineering Mcqs By Handa Pdf writer by etgabentisttus.cf Mentoring Why? A best seller publication. We offer the book entitled Electrical Engineering By Handa Pdf Free Download developed by etgabentisttus.cf Studio with cost-free reading online or. etgabentisttus.cf Learning has actually completed creating Electrical Engineering By Handa Pdf Free. Download This is a most recent edition provided for you. Now, you.

Insulating materials have the function of a preventing a short circuit between conducting wires b preventing an open circuit between the voltage source and the load c conducting very large currents d storing very high currents Ans: b The rating of a fuse wire is always expressed in a ampere-hours b ampere- volts c kWh d amperes Ans: d The minimum charge on an ion is a equal to the atomic number of the atom b equal to the charge of an electron c equal to the charge of the number of electrons in an atom zero Ans: b In a series circuit with unequal resistances a the highest resistance has the most of the current through it b the lowest resistance has the highest voltage drop c the lowest resistance has the highest current d the highest resistance has the highest voltage drop Ans: d The filament of an electric bulb is made of a carbon b aluminium c tungsten d nickel Ans: c A 3 Q resistor having 2 A current will dissipate the power of a 2 watts b 4 watts c 6 watts d 8 watts Ans: c Which of the following statement is true?

The resistance of a few meters of wire conductor in closed electrical circuit is a practically zero b low c high d very high Ans: a If a parallel circuit is opened in the main line, the current a increases in the branch of the lowest resistance b increases in each branch c is zero in all branches d is zero in the highest resistive branch Ans: c If a wire conductor of 0.

Three 60 W bulbs are in parallel across the 60 V power line.

If one bulb burns open a there will be heavy current in the main line b rest of the two bulbs will not light c all three bulbs will light d the other two bulbs will light Ans: d The four bulbs of 40 W each are connected in series swift a battery across them, which of the following statement is true? What will be energy used by the battery if the battery has to drive 6. A closed switch has a resistance of a zero b about 50 ohms c about ohms d infinity Ans: a The hot resistance of the bulb's filament is higher than its cold resistance because the temperature co-efficient of the filament is a zero b negative c positive d about 2 ohms per degree Ans: c Heat in a conductor is produced on the passage of electric current due to a reactance b capacitance c impedance d resistance Ans: The insulation on a current carrying conductor is provided a to prevent leakage of current b to prevent shock c both of above factors d none of above factors Ans: c The thickness of insulation provided on the conductor depends on a the magnitude of voltage on the conductor b the magnitude of current flowing through it c both a and b d none of the above Ans: a I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan Which of the following quantities remain the same in all parts of a series circuit?

A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by W bulb, the heater output will a decrease b increase c remain same d heater will burn out Ans: b In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains a length of heating element should be decreased b length of heating element should be increased c length of heating element has no effect on heating if water d none of the above Ans: a An electric filament bulb can be worked from a D. Resistance of a tungsten lamp as applied voltage increases a decreases b increases c remains same d none of the above Ans: b Electric current passing through the circuit produces a magnetic effect b luminous effect c thermal effect d chemical effect e all above effects Ans: c I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan Resistance of a material always decreases if a temperature of material is decreased 6 temperature of material is increased c number of free electrons available become more d none of the above is correct Ans: c If the efficiency of a machine is to be high, what should be low?

When electric current passes through a metallic conductor, its temperature rises. This is due to a collisions between conduction electrons and atoms b the release of conduction electrons from parent atoms c mutual collisions between metal atoms d mutual collisions between conducting electrons Ans: a Two bulbs of W and W rated at V will have resistance ratio as a 4 : 25 b 25 : 4 c 2 : 5 d 5 : 2 Ans: c A glass rod when rubbed with silk cloth is charged because a it takes in proton b its atoms are removed c it gives away electrons d it gives away positive charge Ans: c Whether circuit may be AC.

It becomes more difficult to remove I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan a any electron from the orbit 6 first electron from the orbit c second electron from the orbit d third electron from the orbit Ans: d When one leg of parallel circuit is opened out the total current will a reduce b increase c decrease d become zero Ans: c In a lamp load when more than one lamp are switched on the total resistance of the load a increases b decreases c remains same d none of the above Ans: b Two lamps W and 40 W are connected in series across V alternating. Which of the following statement is correct? Resistance of V, W lamp will be a 4. In the case of direct current a magnitude and direction of current remains constant b magnitude and direction of current changes with time c magnitude of current changes with time d magnitude of current remains constant Ans: a When electric current passes through a bucket full of water, lot of bubbling is observed.

This suggests that the type of supply is a A.

Resistance of carbon filament lamp as the applied voltage increases. Bulbs in street lighting are all connected in a parallel b series c series-parallel d end-to-end Ans: a For testing appliances, the wattage of test lamp should be a very low b low c high d any value Ans: c Switching of a lamp in house produces noise in the radio. This is because switching operation produces a arcs across separating contacts b mechanical noise of high intensity c both mechanical noise and arc between contacts d none of the above Ans: a Sparking occurs when a load is switched off because the circuit has high a resistance b inductance c capacitance d impedance Ans: b When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will a decrease b increase c remain constant d none of the above Ans: b A field of force can exist only between a two molecules b two ions c two atoms d two metal particles Ans: b A substance whose molecules consist of dissimilar atoms is called a semi-conductor b super-conducto c compound d insulator Ans: c International ohm is defined in terms of the resistance of a a column of mercury b a cube of carbon c a cube of copper d the unit length of wire Ans: a Three identical resistors are first connected in parallel and then in series.

Which method can be used for absolute measurement of resistances? Three 6 ohm resistors are connected to form a triangle. What is the resistance between any two corners?

## ELECTRICAL ENGINEERING OBJECTIVE TYPE BY M HANDA.pdf - Read...

Ohm's law is not applicable to a semi- conductors b D. Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other. If the conductor having smaller cross- sectional area has a resistance of 40 ohms the resistance of other conductor will be a ohms b 80 ohms c 20 ohms d 10 ohms Ans: d For a heater of 1 kW at V, the length of wire required will be a 80 m b 60 m c 40 m d 20 m Ans: a Which of the following materials has the least resistivity?

When current flows through heater coil it glows but supply wiring does not glow because a current through supply line flows at slower speed b supply wiring is covered with insulation layer c resistance of heater coil is more than the supply wires d supply wires are made of superior material Ans: c The condition for the validity under Ohm's law is that a resistance must be uniform b current should be proportional to the size of the resistance c resistance must be wire wound type d temperature at positive end should be more than the temperature at negative end Ans: a If a wire conductor of 0.

Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open a there will be heavy current in the main line b rest of the two bulbs will not light c all three bulbs will light d the other two bulbs will light Ans: d The four bulbs of 40 W each are connected in series swift a battery across them, which of the following statement is true? What will be energy used by the battery if the battery has to drive 6. A closed switch has a resistance of a zero b about 50 ohms c about ohms d infinity Ans: a The hot resistance of the bulb's filament is higher than its cold resistance because the temperature co-efficient of the filament is a zero b negative c positive d about 2 ohms per degree Ans: c Heat in a conductor is produced on the passage of electric current due to a reactance b capacitance c impedance d resistance Ans: The insulation on a current carrying conductor is provided a to prevent leakage of current b to prevent shock c both of above factors d none of above factors Ans: c The thickness of insulation provided on the conductor depends on a the magnitude of voltage on the conductor b the magnitude of current flowing through it c both a and b d none of the above Ans: a I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan Which of the following quantities remain the same in all parts of a series circuit?

A 40 W bulb is connected in series with a room heater.

If now 40 W bulb is replaced by W bulb, the heater output will a decrease b increase c remain same d heater will burn out Ans: b In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains a length of heating element should be decreased b length of heating element should be increased c length of heating element has no effect on heating if water d none of the above Ans: a An electric filament bulb can be worked from a D.

Resistance of a tungsten lamp as applied voltage increases a decreases b increases c remains same d none of the above Ans: b Electric current passing through the circuit produces a magnetic effect b luminous effect c thermal effect d chemical effect e all above effects Ans: c I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan Resistance of a material always decreases if a temperature of material is decreased 6 temperature of material is increased c number of free electrons available become more d none of the above is correct Ans: c If the efficiency of a machine is to be high, what should be low?

When electric current passes through a metallic conductor, its temperature rises. This is due to a collisions between conduction electrons and atoms b the release of conduction electrons from parent atoms c mutual collisions between metal atoms d mutual collisions between conducting electrons Ans: a Two bulbs of W and W rated at V will have resistance ratio as a 4 : 25 b 25 : 4 c 2 : 5 d 5 : 2 Ans: c A glass rod when rubbed with silk cloth is charged because a it takes in proton b its atoms are removed c it gives away electrons d it gives away positive charge Ans: c Whether circuit may be AC.

It becomes more difficult to remove I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan a any electron from the orbit 6 first electron from the orbit c second electron from the orbit d third electron from the orbit Ans: d When one leg of parallel circuit is opened out the total current will a reduce b increase c decrease d become zero Ans: c In a lamp load when more than one lamp are switched on the total resistance of the load a increases b decreases c remains same d none of the above Ans: b Two lamps W and 40 W are connected in series across V alternating.

Which of the following statement is correct? Resistance of V, W lamp will be a 4.

In the case of direct current a magnitude and direction of current remains constant b magnitude and direction of current changes with time c magnitude of current changes with time d magnitude of current remains constant Ans: a When electric current passes through a bucket full of water, lot of bubbling is observed. This suggests that the type of supply is a A. Resistance of carbon filament lamp as the applied voltage increases.

Bulbs in street lighting are all connected in a parallel b series c series-parallel d end-to-end Ans: a For testing appliances, the wattage of test lamp should be a very low b low c high d any value Ans: c Switching of a lamp in house produces noise in the radio. This is because switching operation produces a arcs across separating contacts b mechanical noise of high intensity c both mechanical noise and arc between contacts d none of the above Ans: a Sparking occurs when a load is switched off because the circuit has high a resistance b inductance c capacitance d impedance Ans: b When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will a decrease b increase c remain constant d none of the above Ans: b A field of force can exist only between a two molecules b two ions c two atoms d two metal particles Ans: b A substance whose molecules consist of dissimilar atoms is called a semi-conductor b super-conducto c compound d insulator Ans: c International ohm is defined in terms of the resistance of a a column of mercury b a cube of carbon c a cube of copper d the unit length of wire Ans: a Three identical resistors are first connected in parallel and then in series.

Which method can be used for absolute measurement of resistances? Three 6 ohm resistors are connected to form a triangle.

What is the resistance between any two corners? Ohm's law is not applicable to a semi- conductors b D. Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other.

If the conductor having smaller cross- sectional area has a resistance of 40 ohms the resistance of other conductor will be a ohms b 80 ohms c 20 ohms d 10 ohms Ans: d For a heater of 1 kW at V, the length of wire required will be a 80 m b 60 m c 40 m d 20 m Ans: a Which of the following materials has the least resistivity? When current flows through heater coil it glows but supply wiring does not glow because a current through supply line flows at slower speed b supply wiring is covered with insulation layer c resistance of heater coil is more than the supply wires d supply wires are made of superior material Ans: c The condition for the validity under Ohm's law is that a resistance must be uniform b current should be proportional to the size of the resistance c resistance must be wire wound type d temperature at positive end should be more than the temperature at negative end Ans: a A rheostat differs from potentiometer in the respect that it a has lower wattage rating b has higher wattage rating c has large number of turns d offers large number of tapping Ans: b An open resistor, when checked with an ohm-meter reads a zero b infinite c high but within tolerance d low but not zero I am Bilal Nasir Certified Engineer under Washington Accord Address: Islamabad Pakistan Ans: b All good conductors have high a conductance b resistance c reluctance d thermal conductivity Ans: a Voltage dependent resistors are usually made from a charcoal b silicon carbide c nichrome d graphite Ans: c Voltage dependent resistors are used a for inductive circuits 6 to supress surges c as heating elements d as current stabilizers Ans: b The ratio of mass of proton to that of electron is nearly a b c 30 d 4 Ans: a The number of electrons in the outer most orbit of carbon atom is a 3 b 4 c 6 d 7 Ans: b A thermistor has a positive temperature coefficient b negative temperature coefficient c zero temperature coefficient d variable temperature coefficient Ans: c Nichrome wire is an alloy of a lead and zinc b chromium and vanadium c nickel and chromium d copper and silver Ans: c Which method can be used for absolute measurement of resistances?

Resistance of a tungsten lamp as applied voltage increases a decreases b increases c remains same d none of the above Ans: Kirchhoffs voltage law is related to a junction currents b battery e. The above statement is associated with a compensation theorem b superposition theorem c reciprocity theorem d none of the above Ans: c What will be energy used by the battery if the battery has to drive 6.

The resistance of a conductor varies inversely as a length 6 area of cross-section c temperature d resistivity Ans: b 9. The concept on which Superposition theorem is based is a reciprocity b duality c non- linearity d linearity Ans: Some books published by them are:

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