UNIT X: Semiconductor Electronics and Communication Systems - Online Test
Q1. The barrier potential of a silicon diode is approximately,
Answer : Option A
Explaination / Solution:
No Explaination.
Q2. Doping a semiconductor results in
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. A forward biased diode is treated as
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. If a half –wave rectified voltage is fed to a load resistor, which part of a cycle the load current will flow?
Answer : Option C
Explaination / Solution:
No Explaination.
Q5. The primary use of a zener diode is
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. The principle in which a solar cell operates
Answer : Option C
Explaination / Solution:
No Explaination.
Q7. The light emitted in an LED is due to
Answer : Option A
Explaination / Solution:
No Explaination.
Q8. When a transistor is fully switched on, it is said to be
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. The barrier potential of a p-n junction depends on (i) type of semiconductor material (ii) amount of doping (iii) temperature. Which one of the following is correct?
Answer : Option D
Explaination / Solution:
No Explaination.
Q10. To obtain sustained oscillation in an oscillator,
Answer : Option D
Explaination / Solution:
No Explaination.
