In a loop in a closed circuit, the sum of the currents entering a junction equals the sum of the currents leaving a junction because

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected to the plates from touching each other. when you increase the plate separation, what happens to the following quantities?