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

Question: 1

The substances appearing at the cathode are said to be

(A) Electropositive

(B) Electronegative

(C) Positive

(D) Neutral

Ans: A


Question: 2

The unit of current is

(A) Ampere

(B) Ohm

(C) Volt

(D) Coulomb

Ans: A


Question: 3

Normal power consumed by Air conditioner is

(A) 500 watts

(B) 600 watts

(C) 700 watts

(D) 1500 watts

Ans: D

1500 watts

Question: 4

The direction of magnetic field due to a current element is given by

(A) Ampere’s swimming rule

(B) Faraday’s first law

(C) Fleming’s left hand rule

(D) Fleming’s right hand rule

Ans: A

Ampere’s swimming rule

Question: 5

Fleming’s right hand rule is used to find the direction of

(A) Magnetic field

(B) Electric field

(C) Induced current

(D) Mechanical force

Ans: C

Induced current

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