Question

99. In magnetron, the frequency of oscillation at different modes are not same and close to one
another results in D
(1 Point)
Helping focusing
providing attenuation
Improving bunching
Mode jumping​

Answer 1

Answer:

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Answer 2

In magnetron, the oscillating frequencies at different modes are not same and close to one results in  mode jumping

Explanation:

• Magnetron is known as Cavity Magnetron because anode is made into resonant cavities and permanent magnet is used to regenerate a strong magnetic field, both these part cause it to work

• To sustain the oscillation in  magnetron, the difference in phase between two adjacent plate of anode should equal (2πn/N) where N = no. of cavity and n is  an integer, this give operation of π mode