Electrical circuits

What is this a circuit symbol for?

• Battery

• Bulb

• Wire

• Ammeter

What is this a circuit symbol for?

• Bulb

• Ammeter

• Voltmeter

• Battery

In a circuit, the flow of electrical charge, is the ______________.

• Current

• Voltage

• Potential difference

• Speed

Another terms for 'potential difference' is...

• Electrons

• Amps

• Current

• Voltage

Why won't these bulbs light up?

• Battery is flat

• Too many bulbs

• There is a gap in the circuit

• The bulbs are broken

What type of circuit is this?

• Series

• Parallel

• Complicated

• Simple

An ammeter in a circuit measures current. What reading will all 3 of these ammeters show?

• All 3 will show the same current

• Ammeter 1 + 3 will be the same

• All 3 will show a different current

• Ammeter 2 + 3 will be the same

If Ammeter 1 + 4 both show a current of 4 amps. What will Ammeter 2 + 3 show?

• Ammeter 2 = 4 amps & Ammeter 3 = 4 amps

• Ammeter 2 = 2 amps & Ammeter 3 = 2 amps

• Ammeter 2 = 1 amps & Ammeter 3 = 3 amps

• Ammeter 2 = 3 amps & Ammeter 3 = 1 amps

What is the unit for RESISTANCE?

• Volts

• Amps

• Oms

• Ohms

A circuit has a current of 2 amps and a voltage of 10 volts. Calculate the resistance of this circuit.

• 20 Ω

• 5 Ω

• 8 Ω

• 12 Ω