MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Initially, when the switch in a series RL circuit is closed, the current in the inductor is? |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | Infinity |
| Answer» D. Infinity | |
| 2. |
Initially, when the switch in a series RL circuit is closed, the inductor acts as? |
| A. | Open circuit |
| B. | Short circuit |
| C. | Resistor |
| D. | Capacitor |
| Answer» B. Short circuit | |
| 3. |
What is the expression for voltage in the given circuit? |
| A. | V=60e-0.5t |
| B. | V=30e-0.5t |
| C. | V=60e-2t |
| D. | V=30e-2t |
| Answer» D. V=30e-2t | |
| 4. |
What is the expression for current in the given circuit? |
| A. | i=2(e-2t)A |
| B. | i=2(1-e-2t)A |
| C. | i=2(e2t)A |
| D. | i=2(1+e-2t)A |
| Answer» C. i=2(e2t)A | |
| 5. |
What is the voltage across the inductor at t=0? |
| A. | 0V |
| B. | 20V |
| C. | 60V |
| D. | 58V |
| Answer» D. 58V | |
| 6. |
If the switch is closed at t=0, what is the current in the circuit? |
| A. | 0A |
| B. | 10A |
| C. | 20A |
| D. | 30A |
| Answer» B. 10A | |
| 7. |
If the switch is opened at t=0, what is the current in the circuit? |
| A. | 0A |
| B. | 1A |
| C. | 2A |
| D. | 3A |
| Answer» D. 3A | |
| 8. |
INITIALLY,_WHEN_THE_SWITCH_IN_A_SERIES_RL_CIRCUIT_IS_CLOSED,_THE_CURRENT_IN_THE_INDUCTOR_IS??$ |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | Infinity |
| Answer» D. Infinity | |
| 9. |
INITIALLY,_WHEN_THE_SWITCH_IN_A_SERIES_RL_CIRCUIT_IS_CLOSED,_THE_INDUCTOR_ACTS_AS??$ |
| A. | Open circuit |
| B. | Short circuit |
| C. | Resistor |
| D. | Capacitor |
| Answer» B. Short circuit | |
| 10. |
At steady state, the current in the inductor is? |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | Infinity |
| Answer» B. Minimum | |
| 11. |
At steady state, inductor acts as ____________ |
| A. | Open circuit |
| B. | Short circuit |
| C. | Resistor |
| D. | Capacitor |
| Answer» C. Resistor | |
| 12. |
In an RL 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 | |
| 13. |
At DC, inductor acts as _____________ |
| A. | Open circuit |
| B. | Short circuit |
| C. | Resistor |
| D. | Inductor |
| Answer» C. Resistor | |
| 14. |
An RL network is one which consists of ____________ |
| A. | Resistor and capacitor in parallel |
| B. | Resistor and capacitor in series |
| C. | Resistor and inductor in parallel |
| D. | Resistor and inductor in series |
| Answer» E. | |