Which term defines the effective difference of potential between conductors in a circuit?

The term that defines the effective difference of potential between conductors in a circuit is voltage. Voltage, often referred to as electric potential difference, represents the force that pushes electric charges through a circuit. It is measured in volts and reflects the energy per unit charge available to move electrons from one point to another.

In the context of electrical circuits, understanding voltage is crucial because it influences how much current (flow of electric charge) can move through the conductors. High voltage can induce a greater potential for current to flow, leading to more powerful electrical effects and functionality in devices. Voltage essentially indicates the strength of the electrical energy available to perform work within the circuit.

Resistance refers to the opposition to the flow of current, which influences how much current flows for a given voltage. Current is the flow of electric charges and is dependent on both voltage and resistance. Power, on the other hand, quantifies the rate at which electrical energy is consumed or generated and is a function of both voltage and current. Thus, while these terms are interconnected, voltage specifically denotes the difference in potential that enables the flow of electrical energy in the circuit.