Gr.9 Chapter 8 Review

What is Electric Potential Energy?

• Kinetic energy

• Thermal energy

• Stored electrical energy

• Mechanical energy

Which of the following is an example of Electric Potential Energy?

• A moving car

• A lit light bulb

• A battery

• A running fan

What does the change in potential energy per coulomb of charge describe?

• Current

• Resistance

• Electrical Potential Difference

• Power

What is another name for Electrical Potential Difference?

• Current

• Voltage

• Resistance

• Power

In what unit is voltage measured?

• Amperes (A)

• Ohms (Ω)

• Volts (V)

• Watts (W)

Which instrument is used to measure voltage?

• Ammeter

• Voltmeter

• Ohmmeter

• Thermometer

What is the main concept demonstrated in the image?

• Making a fruit salad

• Conducting a lemon battery experiment

• Painting a lemon

• Growing a lemon tree

What does electric charge describe in a cell or battery?

• A building up at the positive terminal

• A building up at the negative terminal

• A flow from the positive terminal

• A flow from the neutral terminal

Why do electric charges flow from the negative terminal?

• Because positive charges attract

• Because negative charges repel one another

• Because neutral charges are stable

• Because of gravitational force

What is the direction of electron flow in a simple electric circuit?

• From positive to negative terminal

• From negative to positive terminal

• In a circular motion

• Randomly