Explain that electric charge is conserved at all points in an electrical circuit.

Explain why the current entering a junction in a circuit must equal the current leaving that junction.

Three resistors are connected in a circuit with a battery. At junction point P, three conducting wires meet: wire A carries a current of \(2.5\,\text{A}\) toward the junction, wire B carries a current of \(1.8\,\text{A}\) away from the junction, and wire C also carries current away from the junction. What is the current in wire C?

A technician is testing a circuit board and measures the current at three different junctions using a digital ammeter. The measurements are shown in the table below. Refer to the table. Explain how these measurements demonstrate the conservation of electric charge in the circuit.

A student investigates charge flow in a circuit by measuring the current at four different points: before and after a junction where the circuit splits into two parallel branches, and after the branches recombine. The results are shown in the table below. Justify whether the principle of charge conservation is supported by these data.