Electric Current and Its Effects Questions and Answers - 1

Question: 1

Joules law is

(A) H = IR2t

(B) H = I2Rt

(C) H = IRt

(D) H = IRt2

Ans: B

H = I2Rt

Question: 2

The unit of potential difference is

(A) Ampere

(B) Ohm

(C) Volt

(D) Joule

Ans: C


Question: 3

1 ampere is equal to

(A) 1 Farad

(B) 1 Coulomb sec

(C) 1 Ohm

(D) 1 Coulomb

Ans: B

1 Coulomb sec

Question: 4

1 H.P. equals

(A) 647 watts

(B) 746 watts

(C) 1000 watts

(D) 500 watts

Ans: B

746 watts

Question: 5

Electrolytes are usually in the form of

(A) Plasma

(B) Gases

(C) Solids

(D) Liquids

Ans: D


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