Answer the following multiple choice questions: When a pn junction is forward bi
ID: 1714939 • Letter: A
Question
Answer the following multiple choice questions:
When a pn junction is forward biased we can observe the following phenomena
a) diffusion, drift and recombination
b) injection, diffusion and recombination
c) diffusion, injection and drift
d) none of above
The depletion region of a pn junction is called as such because of the absence of
a) atoms
b) mobile charges
c) immobile charges
d) electrons
A silicon pn junction that is forward biased has a voltage close to
a) 0.1V
b) 0.7V
c) 1.7V
d) 0V
The leakage electric current in a pn junction is caused by
a) heat
b) carriers
c) breakdown voltage
d) holes
The thermal voltage as a function of temperature can be obtained by
a) VT = 11600/T
b) VT = T/11600
c) VT = 11600T
d) VT = 11600T
The diffusion capacitance is
a) Inversely proportional to the thermal voltage
b) Dependent on the operating current
c) The capacitance due to transport of charge carriers between anode and cathode d) All of the above
Explanation / Answer
1. a
2. b
3. b
4. b
5. b
6. d