| 1 |
Greater concentration of impurity is added in. |
- A. Base
- B. Emitter
- C. Collector
- D. LED
|
| 2 |
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
|
| 3 |
The term invertor is used for. |
- A. NOR gate
- B. XNOR gate
- C. NAND gate
- D. NOT gate
|
| 4 |
The circuit of full wave rectification consist of |
- A. Three diodes
- B. Four diodes
- C. Two diodes
- D. One diode
|
| 5 |
The output from a full wave rectifier is |
- A. An ac voltage
- B. A dc voltage
- C. Zero
- D. A pulsating unidirectional voltage
|
| 6 |
Rectification is the process of converting. |
- A. D.C. into A.C.
- B. A.C. in to D.C.
- C. Low signal to high
- D. High signal to low
|
| 7 |
The mathematical symbol for NOR operation is |
- A.
- B. X = A . B
- C. X = A + D
- D.
|
| 8 |
The average gap for Germanium at 0K is |
- A. 1.12 ev
- B. 0.02 ev
- C. 6.72 ev
- D. 7.2 ev
|
| 9 |
For rectification we use. |
- A. Transformer
- B. Diode
- C. Choke
- D. Generator
|
| 10 |
Minimum number of semi conductor diodes required for full wave rectification are. |
|
