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In a transformer, number of turns in the primary coil are 140 and that in the secondary coil are 280.

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asked Mar 24, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 11

In a transformer, number of turns in the primary coil are 140 and that in the secondary coil are 280. If current in primary coil is 4A, then that in the secondary coil is

(a) 4A 

(b) 2A 

(c) 6A 

(d) 10A.

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answered Mar 24, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 26, 2018 by Vikash Kumar
 
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