A coil lies on a horizontal plane and the south pole of the magnet is thrust int

Question

A coil lies on a horizontal plane and the south pole of the magnet is thrust into the coil with a quick movement in the direction shown in the diagram below.

(a) What is the direction of the magnetic field due to the magnet in the center of the coil?

+x, -x, +y, -y, +z, -z

(b) As the magnet is moved in the direction indicated, how will the magnetic flux in the coil change?

Increased, decreased, or stayed the same

(c) What is the direction of the induced magnetic flux in the coil?

+x, -x, +y, -y, +z, -z

(d) What is the direction of the induced current in the coil when viewed from above the coil?

Clockwise, counterclockwise, no change

Explanation / Answer

a) yes coil will have field up

b) it will incease it gets closer

c) it wont like the increase so it will put its the other way

so -y

d) by right hand rule, clockwise

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