1 |
Which one has greater cone of impurity among all: |
- A. Emitter
- B. Base
- C. Collector
- D. All are pure
|
2 |
The P.D develop in case of germanium is: |
- A. 0.3
- B. 0.7
- C. 0.5
- D. 0.9
|
3 |
Depletion region carries. |
- A. -ve charge
- B. +ve charge
- C. Ions
- D. No charge
|
4 |
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
|
5 |
When a PN-Junction is reverse biased the depletion region is. |
- A. Widened
- B. Narrowed
- C. Normal
- D. None of these
|
6 |
The gain of transistor amplifier depends upon |
- A. Resistance connected with collector
- B. Resistance connected with base voltage
- C. Input voltage
- D. Output voltage
|
7 |
Doping is made comparatively larger in |
- A. Emitter
- B. Base
- C. Collector
- D. P -type semi conductor
|
8 |
Photo diode is used for detection of. |
- A. Heat
- B. Magnet
- C. Current
- D. Light
|
9 |
The term invertor is used for. |
- A. NOR gate
- B. XNOR gate
- C. NAND gate
- D. NOT gate
|
10 |
The output of two input is zero only when its. |
- A. Both inputs are zero
- B. Either input is zero
- C. Both inputs are one
- D. Either input is one
|