The primary of a step-down transformer has 250 turns and is connected to a 120-V-rms line. The
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The primary of a step-down transformer has 250 turns and is connected to a 120-V-rms line. The secondary is to supply 20 A at 9 V. Find
(a) The current in the primary and
(b) The number of turns in the secondary, assuming 100% efficiency.
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a I 1 I 2 V 2 V 1 I ...View the full answer
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