Electrical Engineering MCQs

Page No. 78

A voltmeter should have ____________resistance?


a Zero

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bVery high

✓


c Very low

✖


dNone of the above

✖


View Answer Very high

An ammeter should have_____________ resistance?


a Infinite

✖


bVery large

✖


cVery low

✓


d None of the above

✖


View Answer Very low

An ammeter is connected in __________ with the circuit element whose current we wish to measure?


a Series

✓


bParallel

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c Series or parallel

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dNone of the above

✖


View Answer Series

The sensitivity of a multimeter is given in _______________?


aO

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bAmperes

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c kO/V

✓


dnone of the above

✖


View Answer kO/V

If a multimeter has a sensitivity of 1000 O per volt and reads 50 V full scale, its internal resistance is _____________?


a20 kO

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b50 kO

✓


c10 kO

✖


dNone of the above

✖


View Answer 50 kO

The input resistance of a VTVM is about ______________?


a1000 O

✖


b 10 kO

✖


c20 kO

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d10 MO

✓


View Answer 10 MO

ICs are generally made of ________________?


aSilicon

✓


b Germanium

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cCopper

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dNone of the above

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View Answer Silicon

_________________cannot be fabricated on an IC?


aTransistors

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bDiodes

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cResistors

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d Large inductors and transformers

✓



The SiO2 layer in an IC acts as ________________?


a A resistor

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bAn insulating layer

✓


cMechanical output

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d None of the above

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View Answer An insulating layer

The active components in an IC are _______________?


aResistors

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bCapacitors

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cTransistors and diodes

✓


dNone of the above

✖



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