MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the most common application of LC oscillators? |
| A. | Radio transmitters |
| B. | Switches |
| C. | Torch |
| D. | Fans |
| Answer» B. Switches | |
| 2. |
LC oscillations only continues at a definite frequency. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
A capacitor of capacitance 5μF is charged to a potential difference of 20V. After that, it is connected across an inductor of inductance 0.5 mH. What is the current flowing in the circuit at a time when the potential difference across the capacitor is 10 V? |
| A. | 1 A |
| B. | 2 A |
| C. | 5 A |
| D. | 0.5 A |
| Answer» C. 5 A | |
| 4. |
LED lights of chargers glow even after it is switched off. Which of the following causes this situation? |
| A. | LC Oscillations |
| B. | Phasors |
| C. | Power of the AC circuit |
| D. | Eddy currents |
| Answer» B. Phasors | |