Resistor

What happens to resistance when the length of the wire increases?

• Stays the same

• Increases

• Decreases

What is the unit of Resistance?

• Ohm, Ω

• Amp, A

• Volt, V

• Joule, J

Which has a higher resistance?

• Conductors

• Insulators

What is this symbol?

• Cell

• Switch

• Bulb

• 2 cell battery

What is this symbol?

• Cell

• Switch

• Bulb

• Resistor

What is this symbol?

• Switch

• Fuse

• Bulb

• Resistor

What is this symbol?

• Switch

• Fuse

• Buzzer

• Cell

If the switch is open in a circuit, then...

• ...electricity will flow.

• ....electricity will NOT flow.