Physics, asked by Dhemanshu8814, 10 days ago

Explain what is meant by back e.m.f explain the principal of torque protection in a DC moter

Answers

Answered by saritasaritakatiyar0

Answer:

Explanation:

When the armature of the DC motor rotates under the influence of driving torque, the armature of the conductors moves through a magnetic field inducing an emf in them. The induced emf is in the opposite direction to the applied voltage and is known as the back emf.

Some advantages of back emf are listed below:

The energy conversion in the DC motor is possible because of the back emf.

A DC motor is made self-regulating because of back emf.

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Answered by Anonymous

Answer:When the armature of the DC motor rotates under the influence of driving torque, the armature of the conductors moves through a magnetic field inducing an emf in them. The induced emf is in the opposite direction to the applied voltage and is known as the back emf.

Explanation:

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