MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A PN junction diode with 100Ω resistor is forward biased such that 100A current flows. If voltage across this combination is instantaneously reversed to 10V at t=0, the reverse current that flows through diode at t=0 is? |
| A. | 10mA |
| B. | 100mA |
| C. | -100mA |
| D. | -10mA |
| Answer» C. -100mA | |
| 2. |
The switch is at position shown in the figure initially and steady state is from t=0 to t=to. The switch suddenly is thrown to the other position. The current flowing through the 10K resistor from t=0 is? |
| A. | 1mA |
| B. | 2mA |
| C. | -2mA |
| D. | -1mA |
| Answer» D. -1mA | |
| 3. |
In a circuit below, the switch is at position 1 at t<0 and at position 2 when t=0. Assume diode has zero voltage drop and storage time. For 0 |
| A. | 5V |
| B. | -5V |
| C. | 0v |
| D. | 10V |
| Answer» C. 0v | |