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14. A transformer has N1 = 350 turns and N2 = 2 000 turns. If the...

14. A transformer has N1 = 350 turns and N2 = 2 000 turns. If the input voltage is Δv(t) = (170 V) cosωt, what rms voltage is developed across the secondary coil? f = 50 Hz.   What is the instantaneous voltage at 2 s?


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