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abcd is a square. There is a current I i...

`abcd` is a square. There is a current `I` in wire `efg` as shown. Choose the correct options.

A

Net magnetic field at a in inwards

B

Net magnetic field at b is zero

C

Net magnetic field at c is outwards

D

Net magnetic field at d is inwards

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
a. Point as lies to the right hand side of `ef ` and `fg`.
Hence, both wires prodce inward magnetic field. Hence net magnetic field is inwards.
Same logic can be applied for other points also.
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