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1.
Question Title
2.
The velocity factor of a transmission line depends on
The velocity factor of a transmission line depends on
3.
A loss less line of characteristic impedance Z0 is terminated in pure reactance of -jZ0 value. VSWR is
A loss less line of characteristic impedance Z0 is terminated in pure reactance of -jZ0 value. VSWR is
4.
In a klystron amplifier the input cavity is called
In a klystron amplifier the input cavity is called
5.
In a circular waveguide the dominant mode is
In a circular waveguide the dominant mode is
6.
Microwave resonators are used in
7.
Assertion (A): TWT uses a focussing mechanism to prevent the electron beam from spreading.
Reason (R): In a TWT the electron beam has to travel a much longer distance than in klystron.
Reason (R): In a TWT the electron beam has to travel a much longer distance than in klystron.
8.
In a TWT the amplitude of resultant wave travelling down the helix
9.
Which of the following is not a travelling wave?
10.
Both Impatt and Trapatt devices use avalanche effect