A1.0-m long wire is carrying a certain amount of current. the wire is placed perpendicular to a magnetic field of strength.20 t. if the wire experiences a force of 0.60 n, what is themagnitude of the current moving through the wire?
a) 1a
b) 5a
c) 4a
d) 2a
e) 3a

Current, I = 3 A

Explanation:

It is given that,

Length of the wire, l = 1 m

Magnetic field acting on the wire, B = 0.2 T

The magnetic force acting on the wire, F = 0.6 N

Let the current flowing through the wire is given by I. The magnetic force acting on an object in the uniform magnetic field is given by :

Here,

I = 3  A

So, the current flowing through the rod 3 A.

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