| 1 |
The symbol of p-n-p transistor is |
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| 2 |
A.C. can be converted into D.C. by |
- A. An oscillator
- B. Detector
- C. An amplifier
- D. Rectifier
|
| 3 |
One use of a single p-n junction semiconductor in an electrical circuit is a |
- A. Rectifier
- B. Transistor
- C. Battery
- D. Diode
|
| 4 |
Logic gate can control some physical parameters like. |
- A. Temperature, Pressure
- B. Resistance, Inductance
- C. Capacitance, Impedance
- D. Current, voltage
|
| 5 |
Photo diode detects. |
- A. Visible light
- B. Radio waves
- C. X rays
- D. All of them
|
| 6 |
Minimum number of semi conductor diodes required for full wave rectification are. |
|
| 7 |
Which component of the transistor has greater contrition of impurity. |
- A. Base
- B. Emitter
- C. Collector
- D. Emitter and collector
|
| 8 |
The chargeless region after formation of Pn junction is called: |
- A. Free region
- B. Depletion region
- C. Field region
- D. U.V region
|
| 9 |
For rectification we use. |
- A. Transformer
- B. Diode
- C. Choke
- D. Generator
|
| 10 |
Which factor does not affect the conductivity of PN-Junction diode. |
- A. Doping
- B. Temperature
- C. Voltage
- D. Pressure
|
