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25-09-2021 Signals & Systems

Q. Which of the following is an example of amplitude scaling?

A. Electronic amplifier
B. Electronic attenuator
C. Both amplifier and attenuator
D. Adder

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Dapzoi Verified
Commented on 2021-09-25 13:14:28 (IST)
Answer: C

Explanation: Amplitude scaling refers to multiplication of a constant with the given signal. It is given by y (t) = a x (t). It can be both increase in amplitude or decrease in amplitude.