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When a coil is rotated in a magnetic field, the emf induced in it?(a) Is maximum(b) Is minimum(c) Continuously varies(d) Remains constantThe question was asked in an online quiz.The query is from Generation of an Alternating EMF in portion Alternating Voltage and Current of Basic Electrical Engineering

Answer»

Right answer is (c) Continuously varies

To EXPLAIN: When a coil is ROTATED in a MAGNETIC FIELD, CROSS sectional area varies due to which the number of flux lines crossing it varies, which causes the emf to vary continuously.



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