A circular coil has 20 turns and a radius of 1 cm. It is at the equator, where t

Question

A circular coil has 20 turns and a radius of 1 cm. It is at the equator, where the earth's magnetic field is 0.7 G north. Find the magnetic flux through the coil when its plane is as follows.

A circular coil has 20 turns and a radius of 1 cm. It is at the equator, where the earth's magnetic field is 0.7 G north. Find the magnetic flux through the coil when its plane is as follows. Horizontal vertical with its axis pointing north vertical with its axis pointing east vertical with its axis making an angle of 30 degree with north

Explanation / Answer

a) here angle is 90 so flux = 0

b) flux = B*A*sin(0) = 0.00007*20*pi*1.0E-2^2=4.4e-7

c) 0

d) flux = B A sin(30) = 4.4E-7*cos(30 degrees)= 3.8E-7

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