1) a. How can a galvanometer be used to determine emf in acircuit?
b. What two factors determine the direction of the inducedemf?
c. When a bar magnet is thrust into one end of a coil, is thepole produced at the end of the coil the same as, or opposite tothe pole of the bar magnet? Does the action of these two magneticfields tend to oppose the motion of the bar magnet or assistit?
please I need some type of detailed explanation
