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Question

Select the correct statement from the following:
  1. A diode can be used as a rectifier
  2. A triode cannot be used as a rectifier
  3. The current in a diode is always proportional to the applied voltage
  4. The linear portion of the I -V characteristic of a triode is used for amplification without distortion

A
The current in a diode is always proportional to the applied voltage
B
The linear portion of the I -V characteristic of a triode is used for amplification without distortion
C
A diode can be used as a rectifier
D
A triode cannot be used as a rectifier
Solution
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Diode allows current to pass only in forward bias.
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