Topic 2

Question 1

4 basic components of a circuit

Answer 1

Source: The source of electrical energy
Conductor: The wire through which current flows
Load: Items along the circuit that convert electricity into other forms of energy
Control: A switch or device that can turn the circuit or devices along it on or off

Question 2

Amperes

Answer 2

Amperes or amps measure the flow of the electrical current. The device used is either a ammeter or galvanometer( miliamps).

Question 3

Voltage

Answer 3

Also referred to as potential difference.

• the difference in energy per unit of charge between one point in the circuit and another point in the circuit.
• measured with a voltmeter in V