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Describe the principle and working of an ac generator with diagram. State its uses also |
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Answer» Answer: A.C. generators or alternators (as they are usually called) OPERATE on the same fundamental principles of electromagnetic induction as D.C. generators. Alternating VOLTAGE MAY be generated by rotating a COIL in the magnetic FIELD or by rotating a magnetic field within a stationary coil. The value of the voltage generated depends on- the number of turns in the coil. strength of the field. the speed at which the coil or magnetic field rotates. |
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