STANDARDPhysics-Electromagnetic Induction

STANDARD Physics Self Inductance MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Two solenoids of equal number of turns have their lengths and the radii in the same ratio 1 : 2. The ratio of their self inductances will be

A

1 : 2

B

2 : 1

C

1 : 1

D

1 : 4

Correct Answer

Option A

Detailed Explanation

Self inductance of a solenoid is proportional to the square of the radius and inversely proportional to the length. Given the ratio of radii and lengths, the ratio of self inductances is 1:2.

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