1000+ Current Electricity Multiple Choice Questions with Answers Pdf - 2

Question: 6

When one leg of parallel circuit is opened out the total current will

(A) becomes zero

(B) reduce

(C) increase

(D) decrease

Ans: D

decrease

Question: 7

A substance whose molecules consists of dissimilar atoms is called

(A) insulator

(B) compound

(C) semi-conductor

(D) super-conductors

Ans: B

compound

Question: 8

A rheostat differs from potentiometer in the respect that it

(A) offers large number of tappings

(B) has large number of turns

(C) has higher wattage rating

(D) has lower wattage rating

Ans: C

has higher wattage rating

Question: 9

Which of the following can have negative temperature coefficient?

(A) electrolytes

(B) metallic alloys

(C) liquid metals

(D) compounds of silver

Ans: A

electrolytes

Question: 10

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

(A) energy

(B) reluctance

(C) power

(D) charge

Ans: D

charge

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