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Domestic Electric Circuits

An AC signal ...

Question

An AC signal with frequencies 1000 Hz, 1500 Hz and 2500 Hz are fed to the inverting terminal of an opamp. The voltage level of all these signals are 2V. If 1000 Hz signal is amplified by 20 times, then

A

2500 Hz signal will get amplified by 50 times

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B

2500 Hz signal will get amplified by 20 times

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C

1500 Hz signal will get amplified by 15 times

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D

2500 Hz signal will get amplified by 10 times

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Solution

The correct option is B 2500 Hz signal will get amplified by 20 times

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