Which of the following changes should the students make if the students want to decrease the strength of the motor?
(1 point)
Responses
Increase the strength of the power source being used to operate the motor.
Increase the strength of the power source being used to operate the motor.
Reduce the number of coils of copper wire.
Reduce the number of coils of copper wire.
Change the placement of the magnets in relation to the copper wire.
Change the placement of the magnets in relation to the copper wire.
Increase the number of coils of copper wire.
Increase the number of coils of copper wire.
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1 answer
To decrease the strength of the motor, the students should reduce the number of coils of copper wire.
Reducing the number of coils will decrease the magnetic field interaction and, consequently, the strength of the motor's operation. The other options would either increase the strength of the motor or have no effect.
