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. A wire loop moves into the magnetic field.

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 ...

the answer is not into the page, out of the page, there is no magnetic force acting on the loop, or up.

In the fiqurea region with constant (externally produced) magnetic field is shown. A wire loop moves into the magnetic field 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 Incorrect... into the page Incorrect. left Incoercect No utaonethe field s induced by the movement of the loo Incorrect right Incorrect. up Incorrect... down Computer's answer now shown above. You are correct. Your"receipt no. is 158-897 iou 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 o... out of the page o There is no magnetic force acting on the loop ul right down o into the page o left Submit Answer Incorrect. Tries 4/6 Previous Tries

Explanation / Answer

1.As per Lenz's law, when coil is going inside region of magnetic field directed inside, inward magnetic flux increases, hence induced current should reduce it, by developing an outward magnetic field. Hence answer is out of the page.

2. The magnetic force acts towards left, to oppose the movement of the loop towards right, as per Lenz's law to oppose the cause.

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