To produce modulation
To produce demodulation
To produce oscillation
To produce multiplexion
Increases the cut - in - voltage
Barrier width of junction increases
Junction ruptured and short circuited
No current flows through the junction
0.2 V
0.3 V
0.7 V
1.4 V
To minimize the gain
To get less distortion
To get more voltage gain
To eleminate the transformer
By circuit testing
By ohm meter testing
By physical testing
By voltage measurements