Question
Reason (R): The frequency of oscillation of a backward wave oscillator can be changed by varying the voltage which controls the beam velocity.
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
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Q. Assertion (A): A backward wave oscillator can be used as a sweep generator. Reason (R): The frequency of oscillation of a backward wave oscillator can be changed by varying the...
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