13.1 What is Current and Potential Difference

An electric current is the _____ of flow of electric charge.

What is the SI unit for current?

• ampere, A

• joules, J

• volts, V

• ohms, $\Omega$

What type of current flow is shown in the diagram?

• conventional current

• charges current

• electron flow

• voltage current

What type of current is shown in the diagram?

• conventional current

• charge current

• electron flow

• voltage current

An electric current flows through a path that is set up by an electric ________.

The picture shows the symbol of an electrical component. Which componenet does the symbol belongs to?

• dry cell

• light bulb

• switch

• wires

The picture shows the symbol of an electrical component. Which componenet does the symbol belongs to?

• dry cell

• light bulb

• switch

• wires

What kind of circuit arrangement is this?

• series circuit

• parallel circuit

What kind of circuit arrangement is this?

• series circuit

• parallel circuit

What is used to measure current in a circuit?

• ammeter

• light bulb

• switch

• voltmeter