A step-down transformer is used on a 1000 V line to deliver 20 A at 12 – McqOptions

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1.	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 [Kerala PET 2005]
A.	3 A
B.	30 A
C.	0.3 A
D.	2.4 A
Answer» B. 30 A

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