1. Explain the difference between AC and DC current.

2. List two types of elements that would cause an electric potential drop in a circuit and one type of element that would cause an electric potential gain in a circuit.

3. Which type of circuits contains junctions? Explain what happens to the current at a junction. 4 List one similarity and one difference of electric and magnetic fields.

5. List one part of a DC motor that you could change that would reverse the direction of rotation of the motor.