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A sine wave of 15 kHz is changing at a faster...

This question belongs to Electrical Engineering Alternating Current And Voltage
Alternating Current and Voltage
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A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of

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Correct Answer: Option B
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1 Comment
Ajay
Ajay 3 years ago
Higher frequency represents changing at a faster rate.

So we have to find the frequency which is less than 15kHz.



As we see options 25kHz,18kHz,1.3MHz are greater than 15kHz



So the frequency which is less than 15kHz is 12kHz

because of less frequency it undergoes less change compared to 15kHz wave
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