SSC JE Electrical Engineering 2017 Set 1 Paper

Question : 149 of 200

Marks: +1, -0

For a 100% efficient transformer, the primary winding has 1000 turns and the secondary 100 turns. If the power input to the above transformer is 1000 watts, the power output is ____

1000 watts
100 watts
10 watts
10 kW

Validate

Solution:

\efficiency=\output/\Input

for 100% efficiency

100/100=\output/1000=\output= 1000W

Power of transformer will not change with change in number of turn.

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