Higher the quality factor of a series LCR circuit, greater is the operating bandwidth of the resonant circuit.

A)
True
B)
False
C)
Can Not Say
D)
None of the above

Correct Answer : Option (B) :   False

Explanation : Band width and quality factor of a series RLC circuit are both inversely related. Higher the quality factor, lower the operating bandwidth.

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In a microwave resistor the wall thickness is made as small as possible to
A)
minimize capacitive effect
B)
reduce inductance
C)
have low value of R
D)
have high value of R

Correct Answer :   minimize capacitive effect

In a klystron amplifier the transit time of electron passing the gap in the cavity should be
A)
less than half cycle
B)
less than one cycle
C)
less than quarter cycle
D)
more than quarter cycle

Correct Answer :   less than quarter cycle

At a frequency equal to cutoff frequency in a rectangular wave guide
A)
the flow of electromagnetic energy is zero
B)
the flow of electromagnetic energy is infinite
C)
the flow of electromagnetic energy is 10% of maximum
D)
the flow of electromagnetic energy is 50% of maximum

Correct Answer :   the flow of electromagnetic energy is infinite

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