G8 - SA2 Electrical System Review

What is the SI unit of current?

• amperes

• power

• ohm

• voltage

What is the SI unit for resistance?

• amperes

• power

• ohm

• voltage

Material that does not allow electricity to flow through

• wire

• insulator

• plastic

• conductor

a circuit that has multiple paths for electric current to flow through

• closed circuit

• open circuit

• parallel circuit

• series circuit

What is resistance?

• a battery

• the flow of electrons

• the ability to reduce the flow of electrons

• electric potential difference

As the resistance of a circuit increase, current will _____

• increase

• decrease

• remain the same

What is the voltage if a resistance of 25 ohms produces a current of 250 amperes?

• 6250V

• 10V

• 275V

• 225V

What is the SI unit for potential difference?

• Watt

• Amperes

• Ohm

• Volt

A device that measures the current in a circuit.

• Voltmeter

• Fuse

• Resistor

• Ammeter

How are voltmeters connected in a circuit?

• in series

• in parallel