short answer questions. 19. Explain the difference between a motor and a generat

Question

short answer questions.

19. Explain the difference between a motor and a generator. 20 Describe AC current and discuss inductors. 21 What is a solenoid? What factors are involved? 22 How is a magnetic field produced? 23.Do ferromagnetic materials have domains? 24 What is resonance in an electrical circuit? 25. What is self-inductance? 26. What is magnetic declination Explain why currents in the same direction in two parallel wires cause the wires 27. to attract one another? 28 What is meant by RMS 29. How do transformers work?

Explanation / Answer

here,

19)

A motor is an electro magnetic device that converts electrical energy into rotating mechanical force. So you supply electricity to it and it will give you mechanical force as the output.

A generator is just the opposite It converts mechanical energy to electrical energy.

You provide the mechanical force (like a turbine or any other prime mover) it will give you electrical energy.
A DC device will work both as generator and as a motor depending on what you give as Input

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