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Voltage gain of 1,00,000 is equivalent to __________

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Voltage gain of 1,00,000 is equivalent to __________

(a) 10dB

(b) 1000dB

(c) 100dB

(d) 50dB

The question was asked by my school teacher while I was bunking the class.

I want to ask this question from General Frequency Consideration in chapter Transistor Biasing and Low Frequencies of Analog Circuits

1 Answer

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Best answer
Right choice is (c) 100dB

Easy explanation: dB = 20 log(voltage gain)

 Therefor 100000 voltage gain is equivalent to

 20 log(1,00,000)dB = 100 dB.

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