Electronics and Communication Engineering - Electronic Devices and Circuits

36.
In which of the following does a negative resistance region exist in the v-i characteristics?
PIN diode
Schottky diode
Tunnel diode
Zener diode
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
The intrinsic resistivity of silicon at 300 K is about
1 Ω-cm
400 Ω-cm
10000 Ω-cm
230000 Ω-cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
What happens when forward bias is applied to a junction diode?
Majority carrier current is reduced to zero
Minority carrier current is reduced to zero
Potential barrier is increased
Potential barrier is decreased
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
A differential amplifier is invariably used in the I/P stage of all OP-amps. This is done basically to produce the OP-amp with a very high.
CMRR
bandwidth
slew rate
open-loop gain
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
The addition of impurity in extrinsic semiconductor is about 1 part in 108 parts.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.