A step down transformer is used on a 1000 V line to deliver 20 A at 120 V at the secondary coil. If the efficiency of the transformer is 80%, the current drawn from the line is

Options

(a) 3A
(b) 30 A
(c) 0.3 A
(d) 2.4 A

Correct Answer:

3A

Explanation:

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