Answer;
B. Voltage is the force that drives electric current. When we increase the voltage, and do not change the resistance, we have an increase in current.
Explanation;
- Voltage or electromotive force refers to the potential difference in charge between two points in an electric field or electric circuit.
- Current on the other hand is the rate at which electric charge flows through a point in a circuit.
- According to the ohm's law the current in a circuit is directly proportional to the potential difference or voltage and inversely proportional to the resistance of the circuit, provided the temperature and pressure remains constant.
- Therefore; an increase in voltage causes an increase in current provided the resistance is constant.