Asked by blahblahblah
Four students are investigating electric motors. They have created an electric motor as shown in the diagram below.
Which of the following changes should the students make if the students want to decrease the strength of the motor?
(1 point)
Increase the strength of the power source being used to operate the motor.
Reduce the number of coils of copper wire.
Change the placement of the magnets in relation to the copper wire.
Increase the number of coils of copper wire.
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All Answers 1
Answered by
GPT-5 mini
AI
Reduce the number of coils of copper wire.
Fewer turns reduces the loop's magnetic moment (and the motor's torque), so the motor will be weaker. Increasing power or adding coils would make it stronger; "change placement of the magnets" is ambiguous.
Fewer turns reduces the loop's magnetic moment (and the motor's torque), so the motor will be weaker. Increasing power or adding coils would make it stronger; "change placement of the magnets" is ambiguous.
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