Answer Options: • Left • Right • Into the page • Out of page • Up the page • Dow

Question

Answer Options: • Left • Right • Into the page • Out of page • Up the page • Down the page • Clockwise • Counterclockwise
I know it's not Up the page, Down the page, Clockwise, or Right, they were all wrong.
The plane of a flat, ciroular loop of wire is horlzontal. An external magnetic field is directed perpendicular to the plane of the loop. The magnitude of the external magnetic field is increasing with time. Because of this increasing magnetic field, an induced current is flowing dlockowise in the loop, as viewed from above. What is the direction of the magnetic field, assuming the situation is drawn on a sheet of paper? Left Right Into the page Out of the page

Explanation / Answer

The correct option is 'OUT OF PAGE'.

Explanation:

Given that the current is flowing in clockwise direction.
Now, curl your fingers in clockwise direction your thumb will point into the paper.
This thumb gives you the direction of Induced Potential Difference ( e ).
According to Farday's law, e= -d/dt
= magnetic flux.
As magnetic field is increasing with time , the flux is increasing (even if magnetic field is in any direction).

Hence the value of d/dt is +ve.

So, -d/dt = -ve

So, e is in opposite direction to the magnetic field

Therefore, magnetic field is out of paper.

I hope you understand the solution.

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