MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
If V = 2x2y + 20z – 4/(x2 + y2), find the density at A(6, -2.5, 3) in nC/m2. |
| A. | 0.531i – 0.6373j – 0.177k |
| B. | 0.6373i – 0.177j -0.531k |
| C. | 0.177i – 0.6373j – 0.531k |
| D. | 0.531i – 0.177j – 0.6373k |
| Answer» B. 0.6373i – 0.177j -0.531k | |
| 2. |
If the potential is given by, V = 10sin θ cosφ/r, find the density at the point P(2, π/2, 0)(in 10-12 units) |
| A. | 13.25 |
| B. | 22.13 |
| C. | 26.31 |
| D. | 31.52 |
| Answer» C. 26.31 | |
| 3. |
Find the potential of the function V = 60cos θ/r at the point P(3, 60, 25). |
| A. | 20 |
| B. | 10 |
| C. | 30 |
| D. | 60 |
| Answer» C. 30 | |
| 4. |
If potential V = 20/(x2 + y2). The electric field intensity for V is40(x i + y j)/(x2 + y2)2. State True/False. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Find the electric flux density surrounding a material with field intensity of 2xyz placed in transformer oil ( εr = 2.2) at the point P(1,2,3) is(in 10-10 units) |
| A. | 2.1 |
| B. | 2.33 |
| C. | 2.5 |
| D. | 2.77 |
| Answer» D. 2.77 | |
| 6. |
IF_THE_POTENTIAL_IS_GIVEN_BY,_V_=_10SIN_‚ÂÀ√≠‚ÄÖ√†√®_COS‚ÂÀ√¨‚ÀÖ√∫/R,_FIND_THE_DENSITY_AT_THE_POINT_P(2,_‚ÂÀ√¨‚ÀÖ√Ë/2,_0)?$# |
| A. | |
| B. | 13.25 |
| C. | 22.13 |
| D. | 26.31 |
| Answer» C. 22.13 | |
| 7. |
If_V_=_2x2y_+_20z_–_4/(x2_+_y2),_find_the_density_at_A(6,_-2.5,_3)_in_nC/m2.$# |
| A. | 0.531i – 0.6373j – 0.177k |
| B. | 0.6373i – 0.177j -0.531k |
| C. | 0.177i – 0.6373j – 0.531k |
| D. | 0.531i – 0.177j – 0.6373k |
| Answer» B. 0.6373i ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.177j -0.531k | |
| 8. |
Find the work done moving a charge 2C having potential V = 24volts i? |
| A. | 96 |
| B. | 24 |
| C. | 36 |
| D. | 48 |
| Answer» E. | |
| 9. |
Find the potential of the function V = 60cos θ/r at the point P(3, 60, 25).$ |
| A. | 20 |
| B. | 10 |
| C. | 30 |
| D. | 60 |
| Answer» C. 30 | |
| 10. |
If potential V = 20/(x2 + y2). The electric field intensity for V is |
| A. | /(x<sup>2</sup> + y<sup>2</sup>)<sup>2</sup>. State True/False. |
| B. | True |
| C. | False |
| Answer» B. True | |
| 11. |
Find the electric flux density surrounding a material with field intensity of 2xyz placed in transformer oil ( εr = 2.2) at the point P(1,2,3) is$ |
| A. | |
| B. | 2.1 |
| C. | 2.33 |
| D. | 2.5 |
| Answer» D. 2.5 | |
| 12. |
Find the potential at a point (4, 3, -6) for the function V = 2x2y + 5z. |
| A. | 96 |
| B. | 66 |
| C. | 30 |
| D. | -66 |
| Answer» C. 30 | |
| 13. |
Find the electric potential for an electric field 3units at a distance of 2m. |
| A. | 9 |
| B. | 4 |
| C. | 6 |
| D. | 3/2 |
| Answer» D. 3/2 | |
| 14. |
The electric field intensity is the negative gradient of the electric potential. State True/False. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
The electric flux density and electric field intensity have which of the following relation? |
| A. | Linear |
| B. | Nonlinear |
| C. | Inversely linear |
| D. | Inversely nonlinear |
| Answer» B. Nonlinear | |