MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A diode |
| A. | Is the simplest of the semiconductor devices |
| B. | Has a characteristic that closely follows that of a switch |
| C. | Is two terminal device |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
The units frequently used to measure the forward bias and reverse bias current of a diode are |
| A. | µA and µA respectively |
| B. | µA and mA respectively |
| C. | mA and µA respectively |
| D. | mA and mA respectively |
| Answer» D. mA and mA respectively | |
| 3. |
The value of I and V for the circuit shown below are |
| A. | 2A and 5V respectively |
| B. | -2A and 5V respectively |
| C. | -2A and -5V respectively |
| D. | 2A and 0V respectively |
| Answer» E. | |
| 4. |
The figure below shows a circuit for an AC voltmeter. It utilizes a moving-coil meter that gives a full-scale reading when the average current flowing through it is 1 mA. The moving-coil meter has a 50-Ω resistance. The value of R that results in the meter indicating a full-scale reading when the input sine-wave voltage VI is 20 V peak-to-peak is |
| A. | 3.183 kΩ |
| B. | 3.133 kΩ |
| C. | 3.183 Ω |
| D. | 56.183 Ω |
| Answer» C. 3.183 Ω | |
| 5. |
For the connections shown below, the equivalent logic gate is |
| A. | OR gate |
| B. | AND gate |
| C. | XOR gate |
| D. | NAND gate |
| Answer» B. AND gate | |
| 6. |
The figure below shows a circuit for charging a 12-V battery. If Vs is a sinusoid with 24-V peak amplitude, the fraction of each cycle during which the diode conducts is |
| A. | One quarter of a cycle |
| B. | One-third of a cycle |
| C. | One half of the cycle |
| D. | Three quarters of a cycle |
| Answer» C. One half of the cycle | |
| 7. |
A_DIODE?$ |
| A. | Is the simplest of the semiconductor devices |
| B. | Has a characteristic that closely follows that of a switch |
| C. | Is two terminal device |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
THE_UNITS_FREQUENTLY_USED_TO_MEASURE_THE_FORWARD_BIAS_AND_REVERSE_BIAS_CURRENT_OF_A_DIODE_ARE?$ |
| A. | µA and µA respectively |
| B. | µA and mA respectively |
| C. | mA and µA respectively |
| D. | mA and mA respectively |
| Answer» D. mA and mA respectively | |
| 9. |
Diodes can be used in the making of |
| A. | Rectifiers |
| B. | LED lamps |
| C. | Logic gates |
| D. | All of the mentioned |
| Answer» E. | |
| 10. |
For an ideal diode which of the following is true? |
| A. | It allows the passage of current in the forward bias with zero potential drop across the diode |
| B. | It does not allow the flow of current in reverse bias |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |