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(i) State the law that gives the polarity of the induced emf.

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(i) State the law that gives the polarity of the induced emf. (ii) A 15.0μF capacitor is connected to 220V, 50Hz source. Find the capacitive reactance and the rms current.

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(i) Lenz’s Law: The polarity of induced emf is such that it tends to produce a current which opposes the change in magnetic flux that produces it.

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