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Assertion (A) : A straight wire carries ...

Assertion (A) : A straight wire carries current in the vertically upwards .Magnetic field lines around it are concentric circles in horizontal plane in an anticlockwise direction.
Reason (R) : Direction of magnetic field is given by right hand thumb rule .

A

Both (A) and (R) are true and (R) is correct explanation of the assertion

B

Both (A) and (R) are true but (R) is not the correct explanation of the assertion.

C

(A) is true but (R) is false.

D

(A) is false but (R) is true.

Text Solution

Verified by Experts

The correct Answer is:
A
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