Microwave Crossed Field Tubes – Exercise – 1

Microwave Crossed Field Tubes » Exercise – 1

1. A magnetron is used only as a/an :

(a) amplifier
(b) oscillator
(c) mixer
(d) frequency multiplier

Answer
Answer : (b)
Explanation
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2. A common application for magnetron is in :

(a) radar
(b) satellites
(c) two-way radio
(d) TV sets

Answer
Answer : (a)
Explanation
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3. For proper operation, a magnetron must be accompanied by a :

(a) cavity resonator
(b) strong electric field
(c) permanent magnet
(d) high dc voltage

Answer
Answer : (c)
Explanation
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4. If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the :

(a) π/4 mode
(b) π/2 mode
(c) π mode
(d) 2π mode

Answer
Answer : (c)
Explanation
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5. A high-power microwave pulse of the order of megawatts can be generated by a :

(a) traveling-wave tube
(b) magnetron
(c) reflex klystron
(d) gunn diode

Answer
Answer : (d)
Explanation
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