| 1 |
The ratio Beta in transistor is called. |
- A. Voltage gain
- B. Emitter gain
- C. Current gain
- D. Nuclear gain
|
| 2 |
A photo diode can turn its current ON and OFF in |
- A. Micro seconds
- B. Mega seconds
- C. Nano seconds
- D. Mili seconds
|
| 3 |
The average gap for Germanium at 0K is |
- A. 1.12 ev
- B. 0.02 ev
- C. 6.72 ev
- D. 7.2 ev
|
| 4 |
One use of a single p-n junction semiconductor in an electrical circuit is a |
- A. Rectifier
- B. Transistor
- C. Battery
- D. Diode
|
| 5 |
Transistor was discovered by |
- A. Young
- B. Curie
- C. John Bardeen
- D. Shale's
|
| 6 |
For automatic Switching of streetlight, the op amplifier is used as. |
- A. Inductor
- B. Converter
- C. Comparator
- D. Thermistor
|
| 7 |
Improper bisting of a transistor circiut produces: |
- A. Heavy loading of emitter current
- B. Distortion in the output output signal
- C. Excessive heat at collector terminal
- D. Faculty location of load line
|
| 8 |
The gain of transistor amplifier depends upon |
- A. Resistance connected with collector
- B. Resistance connected with base voltage
- C. Input voltage
- D. Output voltage
|
| 9 |
Depletion region carries. |
- A. -ve charge
- B. +ve charge
- C. Ions
- D. No charge
|
| 10 |
Minimum number of semi conductor diodes required for full wave rectification are. |
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