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To overcome the problem of representation of large values of gain, which of the following units was introduced?

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To overcome the problem of representation of large values of gain, which of the following units was introduced?

(a) Decibels

(b) Joules

(c) Pascals

(d) Farads

I got this question in an interview for internship.

Origin of the question is Active and Passive Devices in division Diode Circuit of Analog Circuits

1 Answer

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Best answer
Correct option is (a) Decibels

To elaborate: Since 1dB=(1/10)log10(A2/A1) it is a logarithmic scale of representation and very large values can be expressed by smaller numbers. Decibels is a convenient unit of measurement for a variety of applications.

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