Question

Assertion (A): An ac amplifier uses coupling capacitors at input and output

Reason (R): The capacitive reactance varies inversely with frequency. It is infinite for dc

a.

Both A and R are correct and R is correct explanation for A

b.

Both A and R are correct but R is not correct explanation for A

c.

A is correct R is wrong

d.

A is wrong R is correct

Answer: (a).Both A and R are correct and R is correct explanation for A

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Q. Assertion (A): An ac amplifier uses coupling capacitors at input and output Reason (R): The capacitive reactance varies inversely with frequency. It is infinite for dc

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