Physics - Electricity

What are wires made of that allow them to conduct electricity?

• Protons

• Neutrons

• Atoms

• Molecules

What is the role of electrons in creating electricity?

• They are pushed by a battery

• They are attracted to the negative end of the battery

• They are repelled by the positive end of the battery

• They remain stationary

What happens to electrons when they reach the bulb in a circuit?

• They stop moving

• They convert electrical energy into light and heat energy

• They increase in speed

• They disappear

The term used to describe the rate of electron flow in wires is (a)  

• Voltage
• Resistance
• Current
• Power

What device is used to measure the flow of electrons in a circuit?

• Voltmeter

• Ammeter

• Ohmmeter

• Thermometer

What is the unit of measurement for current?

• Volts (V)

• Ohms (Ω)

• Watts (W)

• Amps (A)

How is an ammeter connected in a circuit to measure current?

• In parallel

• In series

• Diagonally

• Perpendicularly