MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the voltage in the resistor as soon as the switch is closed at t=0. |
| A. | 0V |
| B. | Infinity |
| C. | 220V |
| D. | Insufficient information provided |
| Answer» D. Insufficient information provided | |
| 2. |
The expression for the current in an RC circuit is? |
| A. | i=(V/R)et/RC |
| B. | i=(V/R)e-t/RC |
| C. | i=(V/R)(1-e-t/RC) |
| D. | i=(V/R) (1-et/RC) |
| Answer» C. i=(V/R)(1-e-t/RC) | |
| 3. |
The current equation for the given circuit is? |
| A. | i=10e(-0.01)t A |
| B. | i=10e(0.01)t A |
| C. | i=10e(-0.001)t A |
| D. | i=100e(-0.01)t A |
| Answer» B. i=10e(0.01)t A | |
| 4. |
Calculate d2i(0)/dt2 from the given circuit. |
| A. | 10-6A/s2 |
| B. | 10-3A/s2 |
| C. | 106A/s2 |
| D. | 103A/s2 |
| Answer» C. 106A/s2 | |
| 5. |
Calculate di(0)/dt if the switch is closed at t=0. |
| A. | -9.9A/s |
| B. | -10A/s |
| C. | 0A/s |
| D. | -0.1A/s |
| Answer» E. | |
| 6. |
Calculate the voltage across the capacitor at t=0. |
| A. | 0V |
| B. | 10V |
| C. | 20V |
| D. | Infinity |
| Answer» B. 10V | |
| 7. |
THE_EXPRESSION_FOR_CURRENT_IN_AN_RC_CIRCUIT_IS??$ |
| A. | i=(V/R)e<sup>(t/RC )</sup> |
| B. | i=(V/R)e<sup>(-t/RC )</sup> |
| C. | i=(V/R)/e<sup>(t/RC )</sup> |
| D. | i=(V/R)/e<sup>(-t/RC )</sup> |
| Answer» C. i=(V/R)/e<sup>(t/RC )</sup> | |
| 8. |
In an RC series circuit, when the switch is closed and the circuit is complete, what is the response? |
| A. | Response does not vary with time |
| B. | Decays with time |
| C. | Increases with time |
| D. | First increases, then decrease |
| Answer» C. Increases with time | |
| 9. |
At DC, capacitor acts as _________ |
| A. | Open circuit |
| B. | Short circuit |
| C. | Resistor |
| D. | Inductor |
| Answer» B. Short circuit | |
| 10. |
A CR network is one which consists of _________ |
| A. | A capacitor and resistor connected in parallel |
| B. | A capacitor and resistor connected in series |
| C. | A network consisting of a capacitor only |
| D. | A network consisting of a resistor only |
| Answer» C. A network consisting of a capacitor only | |