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 the circuit above, the function of resistor R and diode D are ...
Work function of oxide coated cathode is much lower than that of tungsten cathode. ...
At room temperature, the current in an intrinsic semiconductor is due to ...
Assertion (A): A p-n junction has high resistance in reverse direction. Reason (R): When a revers...
An increase in temperature increases the width of depletion layer. ...
The types of carriers in a semiconductor are ...