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. |
For a charge Q1, the effect of charge Q2 on Q1 will be, |
| A. | F1 = F2 |
| B. | F1 = -F2 |
| C. | F1 = F2 = 0 |
| D. | F1 and F2 are not equal |
| Answer» C. F1 = F2 = 0 | |
| 2. |
A charge of 2 X 10-7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10-7 C, both the charges are in vacuum. |
| A. | 0.03 |
| B. | 0.05 |
| C. | 0.07 |
| D. | 0.09 |
| Answer» E. | |
| 3. |
Two small diameter 10gm dielectric balls can slide freely on a vertical channel. Each carry a negative charge of 1μC. Find the separation between the balls if the lower ball is restrained from moving. |
| A. | 0.5 |
| B. | 0.4 |
| C. | 0.3 |
| D. | 0.2 |
| Answer» D. 0.2 | |
| 4. |
Find the force between two charges when they are brought in contact and separated by 4cm apart, charges are 2nC and -1nC, in μN. |
| A. | 1.44 |
| B. | 2.44 |
| C. | 1.404 |
| D. | 2.404 |
| Answer» D. 2.404 | |
| 5. |
Find the force of interaction between 60 stat coulomb and 37.5 stat coulomb spaced 7.5cm apart in transformer oil(εr=2.2) in 10-4 N, |
| A. | 8.15 |
| B. | 5.18 |
| C. | 1.518 |
| D. | 1.815 |
| Answer» E. | |
| 6. |
A_CHARGE_OF_2_X_10-7_C_IS_ACTED_UPON_BY_A_FORCE_OF_0.1N._DETERMINE_THE_DISTANCE_TO_THE_OTHER_CHARGE_OF_4.5_X_10-7_C,_BOTH_THE_CHARGES_ARE_IN_VACUUM.?$ |
| A. | 0.03 |
| B. | 0.05 |
| C. | 0.07 |
| D. | 0.09 |
| Answer» E. | |
| 7. |
For_a_charge_Q1,_the_effect_of_charge_Q2_on_Q1_will_be,$ |
| A. | F1 = F2 |
| B. | F1 = -F2 |
| C. | F1 = F2 = 0 |
| D. | F1 and F2 are not equal |
| Answer» C. F1 = F2 = 0 | |
| 8. |
Two small diameter 10gm dielectric balls can slide freely on a vertical channel. Each carry a negative charge of 1μC. Find the separation between the balls if the lower ball is restrained from moving?# |
| A. | 0.5 |
| B. | 0.4 |
| C. | 0.3 |
| D. | 0.2 |
| Answer» D. 0.2 | |
| 9. |
The Coulomb law is an implication of which law? |
| A. | Ampere law |
| B. | Gauss law |
| C. | Biot Savart law |
| D. | Lenz law |
| Answer» C. Biot Savart law | |
| 10. |
Find the force between two charges when they are brought in contact and separated by 4cm apart, charges are 2nC and -1nC, in μN.$ |
| A. | 1.44 |
| B. | 2.44 |
| C. | 1.404 |
| D. | 2.404 |
| Answer» D. 2.404 | |
| 11. |
Find the force of interaction between 60 stat coulomb and 37.5 stat coulomb spaced 7.5cm apart in transformer oil(εr=2.2) in 10-4 N,$ |
| A. | 8.15 |
| B. | 5.18 |
| C. | 1.518 |
| D. | 1.815 |
| Answer» E. | |
| 12. |
Two charges 1C and -4C exists in air. What is the direction of force? |
| A. | Away from 1C |
| B. | Away from -4C |
| C. | From 1C to -4C |
| D. | From -4C to 1C |
| Answer» D. From -4C to 1C | |
| 13. |
Find the force between 2C and -1C separated by a distance 1m in air(in newton). |
| A. | 18 X 10<sup>6</sup> |
| B. | -18 X 10<sup>6</sup> |
| C. | 18 X 10<sup>-6</sup> |
| D. | -18 X 10<sup>-6</sup> |
| Answer» C. 18 X 10<sup>-6</sup> | |
| 14. |
Coulomb law is employed in |
| A. | Electrostatics |
| B. | Magnetostatics |
| C. | Electromagnetics |
| D. | Maxwell theory |
| Answer» B. Magnetostatics | |
| 15. |
Coulomb is the unit of which quantity? |
| A. | Field strength |
| B. | Charge |
| C. | Permittivity |
| D. | Force |
| Answer» C. Permittivity | |