InterviewSolution
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InterviewSolution
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a) State the principle of an electric generator b) Write the difference between direct current and alternating current. |
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Answer» SOLUTION :a) An electric generation is based on the PRINCIPLE of electromagnetic induction when a rectangular coil is rotated in a UNIFORM MAGNETIC field, an INDUCED voltage is generated between the ends of the coil. b) Direct current : * Its magnitude is constant and flows in one direction only. * The frequency of DC is zero Alternating current:* Its magnitude and direction reserves periodically. * The frequency of AC is finite. |
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