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Two identical coils of negligible resistance when connected in series across a 200V,50Hz source draws a current of 10A. When the terminals of one of the coils are reversed, then current drawn is 8A. The coefficient of coupling between the two coils is0.11 |
Answer» Two identical coils of negligible resistance when connected in series across a 200V,50Hz source draws a current of 10A. When the terminals of one of the coils are reversed, then current drawn is 8A. The coefficient of coupling between the two coils is
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