What are some simple demonstrations that illustrate the concept of potential difference?

Potential difference and current in simple electric circuits: A study of student's concepts. American Journal of Physics, 51, 407-412. doi:10.1119/1.13226. This is an AP Physics 1/JEE/NEET Topic. Content Times: 0:01 Electric Potential Energy and Electric Potential Difference 2:45 Electromotive Force and Terminal ... The electric potential difference between two points in an electric circuit is the work done in moving a unit positive charge from one point to the other. The potential difference (voltage) of a power supply is an electrical pressure that causes a current to flow in a circuit. outside the circuit. Sources of potential difference (voltage) push electrons through the circuit. + ... Setting/Physics. [Assume the availability of any. Feb 19, 2024 ... A physics instructor claims that all D-cell batteries have an electric potential difference of exactly 1.5 V. Four groups of students conduct multiple ... May 20, 2020 ... Potential difference/Voltage is the difference between the water pressures at any two points. If the difference is non-zero, there is water flow ... Measures the electric potential difference (voltage) between two points in an electrical circuit. Comes in a wooden box with original label. Current is measured in amperes (A). A current of 4 amperes means that 4 coulombs of charge pass a point in the circuit every second. Potential difference is the difference in the amount of energy that charge carriers have between two points in a circuit.