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Mr. Dubey • 52.30K Points
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Q.                          uses balanced input and output, meaning that there are 2 signal lines, with opposite polarity at each port.

(A) differential amplifier
(B) distributed amplifier
(C) balanced amplifier
(D) none of the mentioned
Correct : Option (A)

Explanation: 
 differential amplifier uses balanced input and outputs, meaning that there are 2 signal lines, with opposite polarity at each port. it has two input ports and one output port. the difference of the 2 input signals is amplified.

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