Electromagnetic Fields MCQ

Electromagnetic Fields MCQ Questions

• 1. Which of the following is the example of spherical system?
• 2. Which of the following is the radiation pattern of a parabola antenna?
• 3. What is the main disadvantage of the two-hole directional coupler?
• 4. The electric charge is stored in....... In a capacitor.
• 5. Which material has the highest value of dielectric constant?
• 6. Pickout the incorrect statement?
• 7. A capacitor consists of two -
• 8. What is the unit of capacitance?
• 9. Which of the following capacitors are mainly used for radio frequency tuning?
• 10. The Stoke’s theorem uses ................. operation?
• 11. The Green’s theorem can be related to ..............
• 12. Which of the following quantity is unit of Coulomb?
• 13. The electric field will be ........... for a test charge placed at infinity?
• 14. The Gaussian surface is -
• 15. Gauss law cannot be used to find
• 16. For which of the following purpose Loop antenna is commonly used?
• 17. Parabolic & lens antenna are commonly used in-
• 18. What is the radiation pattern of loop antenna?
• 19. A capacitor stores 0.24 coulombs at 10 volts. Find the Its capacitance?
• 20. A dielectric material must be -