Electrical Engineering MCQs

Page No. 340

In a series circuit with unequal resistances______________?


a the highest resistance has the most of the current through it

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bthe lowest resistance has the highest voltage drop

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c the lowest resistance has the highest current

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dthe highest resistance has the highest voltage drop

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The minimum charge on an ion is______________?


a equal to the atomic number of the atom

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bequal to the charge of an electron

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cequal to the charge of the number of electrons in an atom (#) zero

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dA&C

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The rating of a fuse wire is always expressed in________________?


a ampere-hours

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bampere-volts

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ckWh

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damperes

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View Answer amperes

Insulating materials have the function of___________?


a preventing a short circuit between conducting wires

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bpreventing an open circuit between the voltage source and the load

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cconducting very large currents

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d storing very high currents

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Insulating materials have the function of______________?


apreventing a short circuit between conducting wires

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bpreventing an open circuit between the voltage source and the load

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c conducting very large currents

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d storing very high currents

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Varistors are______________?


a insulators

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b non-linear resistors

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ccarbon resistors

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d resistors with zero temperature coefficient

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Which one of the following does not have negative temperature co-efficient ____________?


aAluminium

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bPaper

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cRubber

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d Mica

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View Answer Aluminium

A resistance having rating 10 ohms, 10 W is likely to be a__________?


a metallic resistor

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b carbon resistor

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cwire wound resistor

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dvariable resistor

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View Answer wire wound resistor

All of the following are equivalent to watt except_____________?


a(amperes) ohm

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bjoules/seC.

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c amperes x volts

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damperes/volt

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View Answer amperes/volt

For which of the following ‘ampere second’ could be the unit ?


a Reluctance

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bCharge

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cPower

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d Energy

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View Answer Charge

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