| 1 |
The potential difference across the depletion region of germanium is. |
- A. 0.3 V
- B. 0.5 V
- C. 0.7 V
- D. 0.8 V
|
| 2 |
In case of op-amp as an inverting amplifier, V<sub>+</sub> - V<sub>-</sub> = 0, this is because |
- A. Open gain loop is very low
- B. Closed loop gain is very high
- C. Open loop gain is very high
- D. Both (a) and (a)
|
| 3 |
Automatic function of street light can be done by the use of. |
- A. Inductor
- B. Rectifier
- C. Comparator
- D. emf
|
| 4 |
OR gate is represented by: |
- A. X = A+B
- B. X=A.B
- C. X=A+B
- D. X=A.B
|
| 5 |
In full wave rectification number of diodes required are equal to. |
|
| 6 |
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
|
| 7 |
For automatic Switching of streetlight, the op amplifier is used as. |
- A. Inductor
- B. Converter
- C. Comparator
- D. Thermistor
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| 8 |
Conversation of only one half of A.C. into D.C. is called. |
- A. Half wave amplification
- B. Wave amplification
- C. Half wave electrification
- D. Half wave rectification
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| 9 |
The use of LDR is in the circuit of. |
- A. Logic gate
- B. Rectifier
- C. Oscillator
- D. High Switch
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| 10 |
Truth table of logic function. |
- A. Summarize its output values only
- B. Tabulates all its input conditions only
- C. Display all its input and output possibility
- D. Is not base on logic algebra
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