MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The energy stored in the inductor 100mH with a current of 2A is |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.6 |
| D. | 0.8 |
| Answer» B. 0.4 | |
| 2. |
Line integral is used to calculate |
| A. | Force |
| B. | Area |
| C. | Volume |
| D. | Length |
| Answer» E. | |
| 3. |
The potential in a lamellar field is |
| A. | 1 |
| B. | 0 |
| C. | -1 |
| D. | ∞ |
| Answer» C. -1 | |
| 4. |
The potential of a uniformly charged line with density λ is given by, |
| A. | λ/(2πε) ln(b/a). State True/False. |
| B. | True |
| C. | False |
| Answer» B. True | |
| 5. |
Find the potential between a(-7,2,1) and b(4,1,2). Given E = (-6y/x2 )i + ( 6/x) j + 5 k. |
| A. | -8.014 |
| B. | -8.114 |
| C. | -8.214 |
| D. | -8.314 |
| Answer» D. -8.314 | |
| 6. |
Find the potential between two points p(1,-1,0) and q(2,1,3) with E = 40xy i + 20x2 j + 2 k |
| A. | 104 |
| B. | 105 |
| C. | 106 |
| D. | 107 |
| Answer» D. 107 | |
| 7. |
An electric field is given as E = 6y2z i + 12xyz j + 6xy2 k. An incremental path is given by dl = -3 i + 5 j – 2 k mm. The work done in moving a 2mC charge along the path if the location of the path is at p(0,2,5) is (in Joule) |
| A. | 0.64 |
| B. | 0.72 |
| C. | 0.78 |
| D. | 0.80 |
| Answer» C. 0.78 | |