WORK SHEET 2 Moving Charges and Magnetism

 

Moving Charges and Magnetism

1. Define the following terms:
   a) Magnetic field
   b) Magnetic field lines
   c) Magnetic force
   d) Right-hand thumb rule
   e) Ampere's circuital law

2. State and explain Gauss's law for magnetism.

3. What is the relationship between magnetic field strength and magnetic flux density?

4. State and explain the Biot-Savart law.

5. Derive the expression for the magnetic field at the center of a circular loop carrying current.

6. State and explain Faraday's law of electromagnetic induction.

7. What is Lenz's law? How does it relate to the direction of induced current?

8. Define self-inductance and mutual inductance. Explain the factors affecting the magnitude of induced emf.

9. Describe the working principle of a transformer. How does it change the voltage and current in a circuit?

10. Explain the working principle of a moving coil galvanometer. How can it be used to measure current?

11. What is the difference between diamagnetic, paramagnetic, and ferromagnetic materials? Provide examples of each.

12. Describe the working principle of an electric motor.

13. State and explain Fleming's left-hand rule.

14. Explain the Hall effect and its applications.

15. Describe the construction and working of a cyclotron.

16. Discuss the concept of magnetic field due to a straight current-carrying conductor.

17. Explain the torque experienced by a current loop placed in a magnetic field.

18. State and explain the force experienced by a moving charge in a magnetic field.

19. How does the magnetic field affect the motion of a charged particle moving in a circular path?

20. Discuss the applications of moving charges and magnetism in everyday life.