In the figure, a region with constant (externally produced) magnetic field is sh

Question

In the figure, a region with constant (externally produced) magnetic field is shown (which magnetic field is pointing out of the page) . A wire loop moves into the magnetic field (from right to left).

1) Which of the following is correct? While the loop is moving into the region with the constant external magnetic field, the magnetic field inside the loop due to the induced current in the loop points: out of the page, left, down, no magnetic field is induced by the movement of the loop, right, up, or into the page.

2) Which of the following is correct? While the loop is moving into the region with the constant external magnetic field, the magnetic force on the loop points: left, into the page, there is no magnetic force acting on the loop, down, out of the page, right, or up.

(Please provide a detailed explanation of why).

Explanation / Answer

1)

if the wire loop is entering into the magnetic field region which is out of the page ,

magnetic flux through the wire loop increases

then, induced current in the loop will produce magnetic field

and this magnetic field will try to decrease the net flux through wire loop

henec magnetic field is into the page

2)

by using Flemimg right hand rule,

magnetic force is perpendicular both magnetic field and current

hence,force direction is acting towards the right side

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