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How can the direction of the DC motor be changed?

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+1 vote
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in Microcontroller by (14.6k points)
How can the direction of the DC motor be changed?

(a) by changing the torque

(b) by changing the switching speed

(c) by changing the polarity of voltages connected to the leads

(d) by changing the RPM rating

This question was addressed to me in an interview for job.

My question comes from Interfacing with Motors topic in portion 8051 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
Right choice is (c) by changing the polarity of voltages connected to the leads

Explanation: The direction of the DC motor can be changed by changing the polarity of the voltages connected to its leads.

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