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Calculate current drawn by the primary of a transformer which steps down 200V to 20V to operate a device of resistance 20ohm . Assume the efficiency of transformer to be 80%.

Calculate current drawn by the primary of a transformer which steps down 200V to 20V to operate a device of resistance 20ohm . Assume the efficiency of transformer to be 80%.

Grade:12th pass

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
3 years ago
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