Related Questions

A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the
A Oscillation will cease
B Output power would increase
C The frequency will decrease
D Bunching would occur earlier in time
In an SHF pulsed radar set, a reflex klystron can be used as a
A Single mixer stage
B Local oscillator
C Transmitter oscillator
D Duplexer stage
Accounts receivable at the end of the month is Tk 80,000. Bad debts are expected to be 5% of accounts receivable. If Allowance for Doubtful Accounts has a credit balance of Tk 1,000 before adjustment, what is the balance after adjustment?
A Tk 2,000
B Tk 3,000
C Tk 4,000
D Tk 5,000
E None of these
Klystron oscillators are most often used in the frequency range of
A 300 to 3000 MHz
B 3000 to 30000 MHz
C 30 to 30000 MHz
D 10 to 10000 MHz
The main frequency determining element of a klystron is
A The repeller voltage
B The accelerating voltage
C Its resonant cavity
D Its mode of operation
Oscillators of a klystron tube are maintained
A By bunches of electrons passing the cavity grids
B By plate-to-cathode feedback
C By feedback between the accelerating grid and the repeller
D By circulating bunches of electrons within the cavities.
As the electron beam moves through a klystron’s intercavity drift space
A Frequency modulation at the input cavity creates velocity modulation at the output cavity
B Velocity modulation at the input cavity creates density modulation at the output cavity
C Density modulation at the input cavity creates velocity modulation at the output cavity
D Phase modulation at the input cavity creates velocity modulation at the output cavity.
নিচের কোনটি Milk ejection reflex করে?
A Oxytocin
B Estrogen
C Progesteone
D Thyroxin
The reflex angle between the hands of a clock at 10.25 is :
A 180°
B 192.5°
C 195°
D 197.5°
The micturition reflex
A Is an autonomic reflex
B Can be voluntarily controlled by pelvic nerve
C Is self regenerative
D Center is located at L2 to L4
E Is inhibited by exercise

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