Circuit

Current

Conservation of energy

emf and pd

emf and pd

Ohm's law

Ohm's law

Resistance

Resistor

Short circuit

End of Circuit

Symbols

A simple circuit

Current flow in a circuit

Current flow in a circuit

Energy of electrons along the circuit

Potential in the circuit

Example 1 on emf and pd

Example 1 on emf and pd

Example 2 on emf and pd

Example 2 on emf and pd

Ammeter

Voltmeter

Example 1 on Ohm's law

Example 1 on Ohm's law

Example 2 on Ohm's law

Example 2 on Ohm's law

Resistance

Photo of resistors

Photos of variable resistors

Structure of rheostat

Series circuit

Series circuit

Parallel circuit

Parallel circuit

Example 1 on equivalent resistance

Example 1 on equivalent resistance

Example 1 on equivalent resistance

Example 2 on equivalent resistance

Example 2 on equivalent resistance

Example 2 on equivalent resistance

Short circuit

Different combination of cells