MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the law used to find the direction of eddy currents. |
| A. | Lenz s law |
| B. | Maxwell s law |
| C. | Ampere s law |
| D. | Faraday s law |
| Answer» B. Maxwell s law | |
| 2. |
X states that the direction of induced current in a circuit is such that it opposes the cause or the change which produces it. Identify X. |
| A. | Faraday s law |
| B. | Lenz s law |
| C. | Maxwell s law |
| D. | Ampere s law |
| Answer» C. Maxwell s law | |
| 3. |
Lenz s law is invalid. State true or false. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Which of the following is found using Lenz s law? |
| A. | Induced emf |
| B. | Induced current |
| C. | The direction of induced emf |
| D. | The direction of alternating current |
| Answer» D. The direction of alternating current | |
| 5. |
The current in a wire passing normally through the center of a conducting loop is increasing at a constant rate. What is the net current induced in the loop? |
| A. | Indefinite |
| B. | Maximum |
| C. | Minimum |
| D. | Zero |
| Answer» E. | |
| 6. |
Which law is used in finding the direction of current in an a.c. generator? |
| A. | Maxwell s law |
| B. | Lenz s law |
| C. | Corkscrew law |
| D. | Ampere circuital law |
| Answer» C. Corkscrew law | |
| 7. |
A closed-loop move normal to the constant electric field between the plates of a large capacitor. What is the amount of current produced when it is wholly inside the region between the capacitor plates? |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | Independent of current |
| Answer» D. Independent of current | |