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Alternating Current and Voltage

Q1: A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of

A 25 kHz

B 12 kHz

C 18 kHz

D 1.3 MHz

ANS:B - 12 kHz

t = 1/f.

The time is indirectly proportional to frequency.
So the lesser value of frequency from giving value will be a faster rate.



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