Question

How could you explain the induced emf when there is no change in the motion of the wire?​

Answer 1

Answer:

If nothing changes, the induced emf is zero. ... According to Lenz's law, the emf induced in the loop by this changing flux produces a current that sets up a field opposing the change. The field set up by the current in the coil, then, points into the page, opposite to the direction of the increase in flux.

Answer 2

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The same emfs are produced if the coil is moved relative to the magnet. The greater the speed, the greater the magnitude of the emf, and the emf is zero when there is no motion. The method of inducing an emf used in most electric generators