A 2 amp current is flowing through two different small circular copper coils having radii ratio 1 : 2.The ratio of their respective magnetic moments will be

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

A 2 amp current is flowing through two different small circular copper coils having radii ratio 1 : 2. The ratio of their respective magnetic moments will be 

(1) 1 : 4              (2) 1 : 2 

(3) 2 : 1              (4) 4 : 1                        (JEE-2025)

✅ Answer

A 2 amp current is flowing through two different small circular copper coils having radii ratio 1 : 2. The ratio of their respective magnetic moments will be (1) 1 : 4 (2) 1 : 2 (3) 2 : 1 (4) 4 : 1

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