| 1 |
The sensor of light is. |
- A. Transistor
- B. LED
- C. Diode
- D. Light dependent resistance
|
| 2 |
OR gate is represented by: |
- A. X = A+B
- B. X=A.B
- C. X=A+B
- D. X=A.B
|
| 3 |
X=A+B is the mathematical notation for. |
- A. OR gate
- B. NOR gate
- C. NAND gate
- D. AND gate
|
| 4 |
Which one has greater cone of impurity among all: |
- A. Emitter
- B. Base
- C. Collector
- D. All are pure
|
| 5 |
Depletion region carries. |
- A. -ve charge
- B. +ve charge
- C. Ions
- D. No charge
|
| 6 |
Base of transistor is of order: |
- A. 10<sup>-11</sup>m
- B. 10<sup>6</sup>m
- C. 10<sup>-8</sup>m
- D. 10<sup>-6</sup>m
|
| 7 |
For automatic Switching of streetlight, the op amplifier is used as. |
- A. Inductor
- B. Converter
- C. Comparator
- D. Thermistor
|
| 8 |
Which diode works at reverse biasing. |
- A. LED
- B. Photo voltaic cell
- C. Photo diode
- D. Silicon diode
|
| 9 |
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
|
| 10 |
Photo diode is used for detection of. |
- A. Heat
- B. Magnet
- C. Current
- D. Light
|
