Question

give definition of :
1) power
2) AC generator
3) induce current
4) slip ring

Answer 1

1))the rate of doing work, the amount of energy transferred per unit time

2))A.C. generator is an electromagnetic device which transforms mechanical energy into electrical energy. It consists of a rectangular coil of wire which can be rotated about an axis.

3))If the circuit is closed, a current flows through it. The emf and the current produced is called the induced emf and theinduced current.

4))A slip ring is an electromechanical device that allows the transmission of power and electrical signals from a stationary to a rotating structure. A slip ring can be used in any electromechanical system that requires rotation while transmitting power or signals.

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Answer 2

power=the ability to control people or things or to do something

Ac generator=DEFINITION. A Generator is a device which converts mechanical energy into electrical energy. WORKING PRINCIPLE. A.C Generator works on the principle of electromagnetic induction (motional emf). In generatoran induced emf is produced by rotating a coil in a magnetic field.

slip ring=slip ring. n. (Electrical Engineering) electrical engineering a metal ring, mounted on but insulated from a rotating shaft of a motor or generator, by means of which current can be led through stationary brushes into or out of a winding on the shaft

induce current = A changing magnetic field through a coil of wire therefore must induce an emf in the coil which in turn causescurrent to flow. The law describinginduced emf is named after the British scientist Michael Faraday, but Faraday's Law should really be called Henry's Law. ... that determines theinduced current.