Work function of oxide coated cathode is much lower than ...
Work function of oxide coated cathode is much lower than that of tungsten cathode.
True
False
Cannot say
None of the above
Correct answer is A
Therefore emission current from oxide coated cathode is more.
In an n-p-n transistor biased for operation in forward active region ...
The word enhancement mode is associated with ...
The most commonly used semiconductor material is ...
At room temperature, the current in an intrinsic semiconductor is due to ...
The types of carriers in a semiconductor are ...
A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is ...
An increase in temperature increases the width of depletion layer. ...