Question

3. Equal current flows through two coils A and B
having same radius. If number of turns in coil A is
10 and that in B is 50, magnetic fields produced
due to coils A and B at their centres are in ratio
(1) 1 : 5 (2) 5 : 1
(3) 1 : 5 (4) 5 : 1

Answer 1

Answer:

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Answer 2

Answer:

5:1

Explanation: