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.
A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is ...
In an n-p-n transistor biased for operation in forward active region ...
The most commonly used semiconductor material is ...
Assertion (A): A p-n junction has high resistance in reverse direction. Reason (R): When a revers...
Assertion (A): When a high reverse voltage is applied to a p-n junction the diode breaks down. Re...