Cells and batteries (both sources of electricity) have resistance, this resistance is called internal resistance. Internal resistance is caused by…
If components in a circuit aren’t connected consecutively and are on different branches of the wire they are said to…
Resistivity is a property of a material that quantifies its resistance to an electric current flowing through it. The resistivity…
Electrical Power (P) – the rate at which electrical energy is transferred. This is exactly the same as mechanical power…
Resistance (R) – the resistance of a device is the ratio of the voltage applied to it, to the current…