Question

Assertion (A): A backward wave oscillator has an internal positive feedback.

Reason (R): A positive feedback is necessary for sustained oscillations.

a.

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

b.

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

c.

A is correct but R is wrong

d.

A is wrong but R is correct

Answer: (b).Both A and R are correct but R is not correct explanation of A

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Q. Assertion (A): A backward wave oscillator has an internal positive feedback. Reason (R): A positive feedback is necessary for sustained oscillations.

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