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. |
The magnetic moment and torque are related as follows |
| A. | tT = BM |
| B. | tB = TM |
| C. | tM = TB |
| D. | tT = M |
| Answer» B. tB = TM | |
| 2. |
Find the angle at which the torque is minimum. |
| A. | t30 |
| B. | t45 |
| C. | t60 |
| D. | t90 |
| Answer» E. | |
| 3. |
The torque of a conductor is defined only in the case when |
| A. | tThe field is perpendicular to the loop |
| B. | tThe plane of the loop is parallel to the field |
| C. | tThe plane of the loop is perpendicular to the current direction |
| D. | tThe field and the current direction are same |
| Answer» C. tThe plane of the loop is perpendicular to the current direction | |
| 4. |
Consider the conductor to be a coil of turns 60 and the flux density to be 13.5 units, current 0.12A and area 16units. The torque will be |
| A. | t1555.2 |
| B. | t1222.5 |
| C. | t525.1 |
| D. | t255.6 |
| Answer» B. t1222.5 | |
| 5. |
The torque on a conductor with flux density 23 units, current 1.6A and area 6.75 units will be |
| A. | t248.4 |
| B. | t192.6 |
| C. | t175.4 |
| D. | t256.9 |
| Answer» B. t192.6 | |
| 6. |
The distance of the conductor when the area and length of the conductor is 24m2 and 13.56m. |
| A. | t1.76 |
| B. | t2.67 |
| C. | t1.52 |
| D. | t2.15 |
| Answer» B. t2.67 | |
| 7. |
Find the torque in a conductor having current 2A, flux density 50 units, length 15cm and distance of 8m. |
| A. | t120 |
| B. | t240 |
| C. | t800 |
| D. | t350 |
| Answer» B. t240 | |
| 8. |
In an field having a force of 12N and distance 20cm, the torque will be |
| A. | t0.24 |
| B. | t2.4 |
| C. | t24 |
| D. | t12/20 |
| Answer» C. t24 | |
| 9. |
Find the force that exists in an electromagnetic wave. |
| A. | tElectrostatic force |
| B. | tMagnetostatic force |
| C. | tLorentz force |
| D. | tElectromotive force |
| Answer» D. tElectromotive force | |