Electronic Devices and Circuits - Engineering

Q1:

In commercial electron tubes the current produced by the cathode at 1000 K is about

A 0.01 A per cm2 of cathode surface

B 0.1 A per cm2 of cathode surface

C 1 A per cm2 of cathode surface

D 5 A per cm2 of cathode surface

ANS:B - 0.1 A per cm2 of cathode surface

No answer description is available.