The figure below shows a bar magnet positioned near a coil of wire, with the north pole closest to the left side. The wire is connected to a resistor oriented parallel to the axis of the coil.
(a) What is the direction of the current through the resistor when the magnet is moved to the left as shown?
- The current is to the left through the resistor.
- The current is to the right through the resistor.
- No current is induced.
(b) If instead the magnet (still in the same orientation) was moved to the right, what would be the direction of the current through the resistor?
- The current is to the left through the resistor.
- The current is to the right through the resistor.
- No current is induced.