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This section includes 14 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 field intensity of an infinite sheet of charge with charge density 36.5 units in air will be |
A. | 18.25 |
B. | 11.25 |
C. | 73 |
D. | 1/36.5 |
Answer» B. 11.25 | |
2. |
Find the magnetic field intensity of a toroid of turns 40 and radius 20cm. The current carried by the toroid be 3.25A. |
A. | 103.45 |
B. | 102 |
C. | 105.7 |
D. | 171 |
Answer» B. 102 | |
3. |
Find the magnetic field intensity at the radius of 6cm of a coaxial cable with inner and outer radii are 1.5cm and 4cm respectively. The current flowing is 2A. |
A. | 2.73 |
B. | 3.5 |
C. | 0 |
D. | 1.25 |
Answer» D. 1.25 | |
4. |
Given the magnetic field is 2.4 units. Find the flux density in air(in 10-6 order). |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» C. 4 | |
5. |
FIND_THE_MAGNETIC_FIELD_INTENSITY_OF_A_TOROID_OF_TURNS_40_AND_RADIUS_20CM._THE_CURRENT_CARRIED_BY_THE_TOROID_BE_3.25A.?$ |
A. | 103.45 |
B. | 102 |
C. | 105.7 |
D. | 171 |
Answer» B. 102 | |
6. |
The_magnetic_field_intensity_of_an_infinite_sheet_of_charge_with_charge_density_36.5_units_in_air_will_be$ |
A. | 18.25 |
B. | 11.25 |
C. | 73 |
D. | 1/36.5 |
Answer» B. 11.25 | |
7. |
Find the magnetic field intensity at the radius of 6cm of a coaxial cable with inner and outer radii are 1.5cm and 4cm respectively. The current flowing is 2A? |
A. | 2.73 |
B. | 3.5 |
C. | 0 |
D. | 1.25 |
Answer» D. 1.25 | |
8. |
Find the magnetic field intensity due to a solenoid of length 12cm having 30 turns and current of 1.5A. |
A. | 250 |
B. | 325 |
C. | 175 |
D. | 375 |
Answer» E. | |
9. |
Find the height of an infinitely long conductor from point P which is carrying current of 6.28A and field intensity is 0.5 units. |
A. | 0.5 |
B. | 2 |
C. | 6.28 |
D. | 1 |
Answer» C. 6.28 | |
10. |
Find the electric field when the magnetic field is given by 2sin t in air. |
A. | 8π x 10<sup>-7</sup> cos t |
B. | 4π x 10<sup>-7</sup> sin t |
C. | -8π x 10<sup>-7</sup> cos t |
D. | -4π x 10<sup>-7</sup> sin t |
Answer» B. 4‚âà√¨‚àö√ë x 10<sup>-7</sup> sin t | |
11. |
Given the magnetic field is 2.4 units. Find the flux density in air(in 10-6 order). |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» C. 4 | |
12. |
Ampere law states that, |
A. | Divergence of H is same as the flux |
B. | Curl of D is same as the current |
C. | Divergence of E is zero |
D. | Curl of H is same as the current density |
Answer» E. | |
13. |
The magnetic flux density is directly proportional to the magnetic field intensity. State True/False. |
A. | True |
B. | False |
Answer» B. False | |
14. |
The H quantity is analogous to which component in the following? |
A. | B |
B. | D |
C. | E |
D. | V |
Answer» D. V | |