Q8 of 72 Page 13

What is a solenoid?

A solenoid is a long cylindrical conductor coil, having a large number of turns of insulated copper wire.

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6 Define Electromotive force. 7 What is meant by earthing? Why should electrical appliances be earthed? 9 State Fleming's right Hand Rule. Give the principle, construction and working of the AC generator with a simple diagram. What modification will you suggest so that the output is DC 10 How can you convert an A.C. into a D.C. generator?