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The cathode its 8 xx 10^(14) electrons p...

The cathode its `8 xx 10^(14)` electrons per second, when heated. When 400 V is applied to anode all the emitted electrons reach the anode. The charge on electron is `1.6 xx 10^(-19)C`. The maximum anode current is

A

`2.7 muA`

B

`128 muA`

C

`72 muA`

D

`29 muA`

Text Solution

Verified by Experts

The correct Answer is:
B
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