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Q.

In an X-rays tube, the intensity of the emitted X-rays beam is increased by

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a

Decreasing the filament current

b

Increasing the filament current

c

Decreasing the target potential

d

Increasing the target potential

answer is A.

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Detailed Solution

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By changing the filament current with the help of rheostat, thermionic emission intensity of X-rays can be changed.

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