Question

how does the magnitude of induced current change in a close coil when a more powerful magnet is used

Answer 1

Answer:

because the magnet will deflect the xurrent

Explanation:

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Answer 2

If a more powerful magnet is used with the induced current in a coil. There is again an induced current which opposes or not, depends upon the movement of the powerful magnet.

Explanation:

According to the faraday law, the motion, the current and the magnetic field; all are perpendicular to each other and two entities are required for the generation of third one.

It means, if we current and motion, electricity will automatically generated.

If the magnetic field lines of powerful magnet are with the magnetic field lines of already induced current then there will be no opposition. Both current have same direction and if due to the opposite direction of magnetic field (due to opposite direction of movement of powerful magnet, there will be opposition to the induced current and large amount of heat is generated. this is due to the opposite directions of magnetic field lines.