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Question

If the current is flowing anticlockwise in a circular coil placed in the plane of paper as shown in the figure, then the direction of lines of force inside the coil is ?


A
Away from you
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B
Towards you
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C
Towards the centre of the coil along the radius
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D
Away from the centre of the coil along the radius
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Solution

The correct option is B Towards you
Using the right-hand thumb rule, we wrap the fingers in the direction of the current in the loop and the thumb gives the direction of the field lines. In the given loop we wrap fingers in an anticlockwise direction and the thumb will point outside the plane of the paper or towards us. Therefore option B is the correct answer.

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