Moving Charges and Magnetism





  1. A wire carrying a current of 4 A is placed in a magnetic field of 0.6 T. If the length of the wire is 2 m and the angle between the wire and the magnetic field is 45 degrees, calculate the force experienced by the wire.

  2. A circular loop of radius 0.1 m carries a current of 5 A. Calculate the magnetic field at a point on the axis of the loop, located at a distance of 0.2 m from the center of the loop.

  3. Two long parallel wires, each carrying a current of 3 A, are separated by a distance of 4 cm. Calculate the force per unit length between the wires.

  4. A solenoid has 500 turns per meter and carries a current of 2 A. Calculate the magnetic field inside the solenoid.

  5. A wire carrying a current of 6 A produces a magnetic field of 2 T at a distance of 8 cm from the wire. Calculate the magnitude of the current flowing through the wire.

  6. A circular coil with 100 turns and a radius of 5 cm carries a current of 2 A. Calculate the magnetic field at the center of the coil.

  7. A charged particle with a charge of 2 μC moves with a velocity of 4 m/s perpendicular to a magnetic field of 0.4 T. Calculate the magnitude and direction of the magnetic force experienced by the particle.

  8. A wire of length 3 m is bent to form a circular loop. If a current of 5 A flows through the loop, calculate the magnetic field at its center.

  9. Two long parallel wires, each carrying a current of 5 A, are separated by a distance of 10 cm. Calculate the force per unit length between the wires.

  10. A solenoid has 200 turns and a length of 0.2 m. If the current through the solenoid is 3 A, calculate the magnetic field inside the solenoid.

  11. A wire carrying a current of 4 A is placed in a magnetic field of 0.8 T. If the length of the wire is 2 m and the angle between the wire and the magnetic field is 60 degrees, calculate the force experienced by the wire.

  12. A proton moving with a velocity of 3 x 10^6 m/s enters a magnetic field of 0.5 T at an angle of 30 degrees. Calculate the radius of the path followed by the proton.

  13. A wire of length 4 m is bent to form a circular loop. If a current of 6 A flows through the loop, calculate the magnetic field at its center.

  14. A circular loop of radius 0.2 m carries a current of 3 A. Calculate the magnetic field at a point on the axis of the loop, located at a distance of 0.4 m from the center of the loop.

  15. A wire carrying a current of 8 A is placed in a magnetic field of 0.4 T. If the length of the wire is 3 m and the angle between the wire and the magnetic field is 30 degrees, calculate the force experienced by the wire.