| 1 |
A diode characteristics curve is a plot between |
- A. Current and resistance
- B. Voltage and time
- C. Voltage and current
- D. Current and time
|
| 2 |
For automatic Switching of streetlight, the op amplifier is used as. |
- A. Inductor
- B. Converter
- C. Comparator
- D. Thermistor
|
| 3 |
During negative half cycle of A.c then p-n junction offers. |
- A. High resistance
- B. Low resistance
- C. No resistance
- D. All of these
|
| 4 |
Automatic function of street light can be done by the use of. |
- A. Inductor
- B. Rectifier
- C. Comparator
- D. emf
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| 5 |
Transistor was invented by: |
- A. Bardeen
- B. Micheal faraday
- C. Lenz
- D. Newton
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| 6 |
The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of. |
- A. Ohms
- B. Kilo Ohms
- C. Mega Ohms
- D. Thounds Ohms
|
| 7 |
A PN junction can not be sued a. |
- A. Rectifier
- B. Amplifier
- C. Detector
- D. LED
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| 8 |
Conversion of A.C into D.C is called: |
- A. Compton effect
- B. Rectification
- C. Amplification
- D. Pair production
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| 9 |
Transistors are made from |
- A. Plastics
- B. Metals
- C. Insulator
- D. Doped semi conductors
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| 10 |
The potential barrier for silicon is. |
- A. 0.7 V
- B. 0.5 V
- C. 0.3 V
- D. 0.9 V
|