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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 7
31.
Under low level injection assumption, the infected minority carrier current for an extrinsic semiconductor is essentially the
diffusion current
drift current
recombination current
induced current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
As the reverse voltage is increased, the depletion layer
becomes narrow
widens
remains the same
reduce to zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The cascade amplifier is a multistage configuration of
CC-CB
CE-CB
CB-CC
CE-CC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The light output of LED varies as (current)n. The value of n is about
0.5
1
1.3
2.1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
If an electron move through a potential difference of 500 V, the energy possesses by it will be
500 ergs
500 joules
500 eV
500 mV
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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