MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Electronic Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The quiescent collector current I C , and collector to emitter voltage V CE in a CE connection are the values when |
| A. | ac signal is zero |
| B. | ac signal is low |
| C. | ac signal is negative |
| D. | either (a) or (b) |
| Answer» B. ac signal is low | |
| 2. |
In the op-amp circuit of figure, V 0 = |
| A. | V i |
| B. | 3 V i |
| C. | 5 V i |
| D. | 0.5 V i |
| Answer» D. 0.5 V i | |
| 3. |
Figure shows the self bias circuit for CE amplifier and its equivalent circuit. V BB and R B respectively are |
| A. | 10 V and 4 k ohm |
| B. | 5 V and 4 k ohm |
| C. | 2 V and 4 k ohm |
| D. | 2 V and 10 k ohm |
| Answer» D. 2 V and 10 k ohm | |
| 4. |
Study the circuit of figure and examine the following statements |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 1 and 3 |
| D. | 2 and 3 |
| Answer» B. 1 and 2 | |
| 5. |
S i transistor of following figure has a = 0.9 and I CE = 0, V EE = 5 V and V CC = 13 V, then R E will be if I EQ = 1 mA |
| A. | 3 k? |
| B. | 4 k? |
| C. | 5 k? |
| D. | 4.3 k? |
| Answer» E. | |
| 6. |
A bridge rectifier circuit has input of 50 Hz frequency. The load resistance is R L and filter capacitance is C. For good output wave shape, the time constant R L C should be at least equal to |
| A. | 10 ms |
| B. | 20 ms |
| C. | 50 ms |
| D. | 100 ms |
| Answer» E. | |
| 7. |
In figure v 1 = 8 V and v 2 = 8 V. Which diode will conduct? |
| A. | D 1 only |
| B. | D 2 only |
| C. | Both D 1 and D 2 |
| D. | Neither D 1 nor D 2 |
| Answer» D. Neither D 1 nor D 2 | |
| 8. |
Consider the following statements : A clamper circuit |
| A. | 1, 2 |
| B. | 1, 3 |
| C. | 1, 2, 3 |
| D. | 2, 3 |
| Answer» B. 1, 3 | |
| 9. |
In figure I D = 4 mA. Then V S = |
| A. | 20 V |
| B. | 4.4 V |
| C. | 0.4 V |
| D. | 0.44 V |
| Answer» C. 0.4 V | |
| 10. |
In figure what is the base current if V BE = 0.7 V |
| A. | 10 mA |
| B. | 9.3 mA |
| C. | 10 ?A |
| D. | 9.3 ?A |
| Answer» E. | |
| 11. |
The output V 0 in figure is |
| A. | -100 V |
| B. | -100 mV |
| C. | 10 V |
| D. | 10 mV |
| Answer» C. 10 V | |
| 12. |
In figure v 1 = 8 V and v 2 = 4 V. Which diode will conduct? |
| A. | D 2 only |
| B. | D 1 only |
| C. | Both D 1 and D 2 |
| D. | Neither D 1 nor D 2 |
| Answer» C. Both D 1 and D 2 | |
| 13. |
The load impedance Z L of a CE amplifier has R and L in series. The phase difference between output and input will be |
| A. | 180° |
| B. | 0 |
| C. | more than 90° but less than 180° |
| D. | more than 180° but less than 270° |
| Answer» E. | |
| 14. |
An RC coupled amplifier has an open loop gain of 200 and a lower cutoff frequency of 50 Hz. If negative feedback with ? = 0.1 is used, the lower cut off frequency will be |
| A. | about 50 Hz |
| B. | about 5 Hz |
| C. | about 2.38 Hz |
| D. | about 70.5 Hz |
| Answer» D. about 70.5 Hz | |