MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
AMPERE_TURN_IS_EQUIVALENT_TO_WHICH_ELEMENT??$ |
| A. | Sφ |
| B. | S/φ |
| C. | φ/S |
| D. | S |
| Answer» B. S/‚âà√¨‚àö√∫ | |
| 2. |
The line integral of the magnetic field intensity is given by$ |
| A. | Turns |
| B. | Flux density |
| C. | MMF |
| D. | Current element |
| Answer» E. | |
| 3. |
Calculate the reluctance of a material with length 2π x 10-4 in air with area 0.5?# |
| A. | 1 |
| B. | 10 |
| C. | 100 |
| D. | 1000 |
| Answer» E. | |
| 4. |
Calculate the reluctance of the material with a mmf of 3.5 units and flux of 7units. |
| A. | 32.5 |
| B. | 10.5 |
| C. | 0.5 |
| D. | 2 |
| Answer» D. 2 | |
| 5. |
The resistance in a magnetic material is called as |
| A. | Capacitance |
| B. | Inductance |
| C. | Reluctance |
| D. | Magnetic resistance |
| Answer» D. Magnetic resistance | |
| 6. |
The flux lines of two energised coils overlapping on each other will give |
| A. | Series aiding |
| B. | Shunt aiding |
| C. | Series opposing |
| D. | Shunt opposing |
| Answer» B. Shunt aiding | |
| 7. |
The energy in a magnetic material is due to which process? |
| A. | Emf |
| B. | Magnetization |
| C. | Magnetostriction |
| D. | Polarization |
| Answer» C. Magnetostriction | |
| 8. |
The induced emf in a material opposes the flux producing it. This is |
| A. | Faraday law |
| B. | Ampere law |
| C. | Lenz law |
| D. | Curie law |
| Answer» D. Curie law | |
| 9. |
The magnetic energy of a magnetic material is given by |
| A. | BH/2 |
| B. | B/2H |
| C. | H/2B |
| D. | B/H |
| Answer» B. B/2H | |