Answer to Question #73955 in Physics for Ayrill

Question

1. Can a charged particle move through a uniform magnetic field without experiencing
any force? Explain.

2. If no work can be done on a charged particle by the magnetic field, how can the motion of the particle be influenced by the presence of a field?

3. Suppose a charged particle is moving under the influence of both electric and magnetic fields. How can the effect of the two fields on the motion of the particle be distinguished?

4. What type of magnetic field can exert a force on a magnetic dipole? Is the force
repulsive or attractive?

5. If a compass needle is placed in a uniform magnetic field, is there a net magnetic force acting on the needle? Is there a net torque?