Answer the following questions about the fundamental idea of force on a current-carrying conductor in a magnetic field:
a. (a) State Fleming’s Left-Hand Rule.
b. (b) Define what is meant by the term “motor effect.”
c. (c) List any two factors on which the magnitude of the force acting on a straight conductor in a magnetic field depends.
d. (d) A student says that the force will be zero if the conductor is placed parallel to the magnetic field lines. Is the statement correct? Give a brief reason.