Question:
Two concentric circular coil of radius 20 cm and 30 cm carries current 2A and 3A respectively in opposite direction then magnetic field at centre will be :-
Two concentric circular coil of radius 20 cm and 30 cm carries current 2A and 3A respectively in opposite direction then magnetic field at centre will be :-
Updated On: Jun 21, 2024
- 4π × 10-7
- 2π × 10-7
- 2 × 10-7
- Zero
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The Correct Option is D
Solution and Explanation
The correct option is (D): Zero.
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