Top 100+ Electric Current and Its Effects Quiz Questions & Answers - 1

Question: 1

The unit of work is equal to

(A) kg m

(B) Joule metre

(C) Joule

(D) Newton

Ans: C


Question: 2

___ found Ohm’s law.

(A) George

(B) Volta

(C) Ampere

(D) Simon ohm

Ans: D

Simon ohm

Question: 3

The life of an electric lamp is

(A) 1 H.P.

(B) 746 watts

(C) 1.5 H.P.

(D) 1.341 H.P.

Ans: D

1.341 H.P.

Question: 4

Which is not a refractory material to prevent oxidation?

(A) Porcelain

(B) Carbon

(C) Fire clay

(D) Asbestos

Ans: B


Question: 5

The magnetic effects of electric current was discovered by

(A) Ampere

(B) Oersted

(C) Faraday

(D) Maxwell

Ans: B


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