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Arisa [49]
3 years ago
8

Which changes in an electric motor will make the motor stronger? Check all that apply.

Physics
2 answers:
Doss [256]3 years ago
7 0

Answer:

using a stronger permanent magnet

increasing current in the electromagnet

decreasing the distance between the magnets

Explanation:

As we know the working of magnet is such that when current flows in the coil then due to strong magnetic field the coil will have tendency to rotate.

This is due to the torque on the coil which is given by

\tau = NiABsin\theta

now if we need to make the motor to be more strong then we need more torque on it which will be increased by

B = due to stronger magnet or by placing the magnets more closer to each other

i = by increasing the current in the coil

Blababa [14]3 years ago
4 0

Using a stronger magnet; Increasing the current in the magnet; Decreasing the distance between the magnets

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