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…
If components in a circuit are connected consecutively, without any branches in the wiring, they are said to be connected…
Kirchhoff’s First Law Kirchhoff’s first law is a consequence of the conservation of charge and states that: The sum of…
Electrical Power (P) – the rate at which electrical energy is transferred. This is exactly the same as mechanical power…
Potential Difference Potential Difference (p.d.) – the electrical energy transferred per unit charge when electrical energy is converted into any…