| 1 |
The P.D develop in case of germanium is: |
- A. 0.3
- B. 0.7
- C. 0.5
- D. 0.9
|
| 2 |
An expression for gain of an inverting amplifier is |
- A.
- B.
- C. (R<sub>1</sub>R<sub>2</sub>)
- D. None of these
|
| 3 |
A PN junction can not be sued a. |
- A. Rectifier
- B. Amplifier
- C. Detector
- D. LED
|
| 4 |
The sensor of light is. |
- A. Transistor
- B. LED
- C. Diode
- D. Light dependent resistance
|
| 5 |
Output resistance of an op amp is |
- A. High
- B. Low
- C. Zero
- D. Equal to input resistance
|
| 6 |
A transistor has parts: |
|
| 7 |
The term invertor is used for. |
- A. NOR gate
- B. XNOR gate
- C. NAND gate
- D. NOT gate
|
| 8 |
In a certain circuit, I<sub>B = 40 µA, </sub>I<sub>C</sub><sup> </sup>= 20 mA |
- A. 450 amp
- B. 0.45 amp
- C. 5 m amp
- D. 500 amp
|
| 9 |
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
|
| 10 |
The chargeless region after formation of Pn junction is called: |
- A. Free region
- B. Depletion region
- C. Field region
- D. U.V region
|
