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A coke coil in series with …

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A coke coil in series with a lamp is connected to a dc line. The lamp is seen to shine brightly. Insertion of an iron core in the choke causes no change in the lamps brightness. Predict the corresponding observation if the connection is to an ac line.

Posted by Aman Jakhar 6 years, 10 months ago

CBSE > Class 12 > Physics

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