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


bthe lowest resistance has the highest voltage drop


c the lowest resistance has the highest current


dthe highest resistance has the highest voltage drop



The minimum charge on an ion is______________?


a equal to the atomic number of the atom


bequal to the charge of an electron


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


dA&C



The rating of a fuse wire is always expressed in________________?


a ampere-hours


bampere-volts


ckWh


damperes


View Answer amperes

Insulating materials have the function of___________?


a preventing a short circuit between conducting wires


bpreventing an open circuit between the voltage source and the load


cconducting very large currents


d storing very high currents



Insulating materials have the function of______________?


apreventing a short circuit between conducting wires


bpreventing an open circuit between the voltage source and the load


c conducting very large currents


d storing very high currents



Varistors are______________?


a insulators


b non-linear resistors


ccarbon resistors


d resistors with zero temperature coefficient



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


aAluminium


bPaper


cRubber


d Mica


View Answer Aluminium

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


a metallic resistor


b carbon resistor


cwire wound resistor


dvariable resistor


View Answer wire wound resistor

All of the following are equivalent to watt except_____________?


a(amperes) ohm


bjoules/seC.


c amperes x volts


damperes/volt


View Answer amperes/volt

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


a Reluctance


bCharge


cPower


d Energy


View Answer Charge

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