Question

Two circular loop soft wires, each containing single turn, have the same radius of 4.0 cm...

Two circular loop soft wires, each containing single turn, have the same radius of 4.0 cm common center. The lane of loops are perpendicular. Each carries a current of 1.7A. what is the magnitude of the net magnetic field of the common center?

A - 3.8 x 10^-5 T

B- 8.2 x 10^-8 T

C- 5.0 x 10^2 T

D- 4.0 x 10^-4 T

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Answer #1

We have,
Radius of both loop
Current in both loop
Permeability of space

The magnetic field due to one loop at point on radius is given as:

Since the planes of both loop are perpendicular to each other, using the Pythagorean theorem, the magnitude of net magnetic field is given as:

Therefore, the magnetic field at the common center is , thus option A is correct.

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