Q. 115.0( 4 Votes )

A force of 8N acts on a rectangular conductor 20cm long placed perpendicular to a magnetic field. Determine the magnetic field induction if the current in the conductor is 40A.

Answer :

We know that Force applied on a wire in a magnetic field is given by



B = Magnetic field;

I = Current in the wire;

L = Length of the wire;

In our question B = ?;

I = 40A;

L = 20cm = 0.2m (1m = 100cm);

F = 8N;

8 = B x 40 x 0.2;

8 = B x 8;

Magnetic field induction is 1 Tesla

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