Home Physics Alternating Current Karnataka - CET Previous Year Question An ideal transformer has a turns ratio of 10…
Physics Alternating Current Karnataka - CET Previous Year Question MCQ (Single Correct)

An ideal transformer has a turns ratio of 10 . When the primary is connected to , ac source, the power output is

A
10 times the power input
B
th the power input
C
equal to power input
D
zero

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Verified by Experts
The correct answer is:
C

Efficiency of a transformers,

For an ideal transformer,

Input power Output power

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