If a transformer is used to supply voltage to a 15 V model train whic – McqOptions

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1.	If a transformer is used to supply voltage to a 15 V model train which draws a current of 0.7 A. If the voltage of the A.C source is 210 V, the current in the primary should be
A.	0.04 A
B.	0.05 A
C.	0.03 A
D.	0.02 A
Answer» C. 0.03 A

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