| 1 |
NAND gate represented by: |
- A. X = A. B
- B. X = A+B
- C. X= A.B
- D. X=|A+B|
|
| 2 |
_______ is the building block of every electronic circuit. |
- A. Semi conductor diode
- B. Resistor
- C. Capacitor
- D. Amplifier
|
| 3 |
The device which is used as amplifier and works with the negative feedback is. |
- A. Operational amplifier
- B. P-n-p transistor
- C. n-p-n transistor
- D. Transistor
|
| 4 |
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
|
| 5 |
Automatic function of street light can be done by the use of. |
- A. Inductor
- B. Rectifier
- C. Comparator
- D. emf
|
| 6 |
Which is not fundamental logic gate. |
- A. NOT
- B. AND
- C. OR
- D. NAND
|
| 7 |
the number of terminals in a semiconductor diode are |
|
| 8 |
Greater concentration of impurity is added in. |
- A. Base
- B. Emitter
- C. Collector
- D. LED
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| 9 |
The output from a full wave rectifier is |
- A. An ac voltage
- B. A dc voltage
- C. Zero
- D. A pulsating unidirectional voltage
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| 10 |
A two inputs NAND gat with inputs a and b has an output '0' if. |
- A. B is zero
- B. A is zero
- C. Both A and B are 1
- D. Both A and B are '0'
|
