A long, straight, vertical wire in the plane of the computer screen has a curren

Question

A long, straight, vertical wire in the plane of the computer screen has a current flowing down. A metal loop, also in the plane of the computer screen, is falling downwards (velocity down, acceleration down) due to the force of gravity. What direction is the induced current in the loop? Question 6 options: A) Right, the the plane of the screen. B) Right and Up, in the plane of the screen. C) Up, in the plane of the screen D) Left and Up, in the plane of the screen E) Left, in the plane of the screen F) Left and Down, in the plane of the screen G) Down, in the plane of the screen H) Right and Down, in the plane of the screen I) Into the plane of the screen J) Out of the plane of the screen K) Clockwise, in the plane of the screen L) Counter Clockwise, in the plane of the screen M) Zero. There is no direction because the quantity in the question has zero magnitude.

Explanation / Answer

Since its a long wire as the loop changes the magnetic field does not change. that means there is no change in flux which means no induced current so M)

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