Electricity and Magnetism Test Review

What factors influence the intensity of an electric field?

• the magnitude of the charge creating the field.

• the separation from the charge.

• the magnitude of a test charge within the field.

• both A and B.

What is the primary function of a battery?

• To store alternating current

• To convert potential energy into kinetic energy

• To act as electron pumps

• To generate parallel current

What kind of electricity is lightning classified as?

• static electricity

• polar electricity

• wet battery electricity

• dry battery electricity

What is the purpose of attaching lightning rods to tall buildings and houses?

• To create static electricity.

• To provide a path to ground lightning strikes.

• To harness polar energy.

• To enable inductive charging.

What is the current if the voltage is 24 volts and the resistance is 12 ohms?

• 2 amps

• 0.5 amps

• 12 amps

• 36 amps

What is the primary function of an electric circuit?

• To create a path for alternating current.

• To provide a path for electric charges to flow.

• To generate resistance in a conductor.

• To separate positive and negative charges.

Which statement about a series circuit is FALSE?

• There is only one path for current flow.

• A break in the circuit stops the current in all devices.

• A break in the circuit does not affect the current in all devices.

• The current remains constant throughout the circuit.

What is the configuration of this electrical circuit?

• Series

• Parallel

• Adjacent

• Perpendicular

What is the configuration of the circuit shown in the image?

• Series

• Parallel

• Adjacent

• Perpendicular

What is the standard voltage for electrical outlets in most US homes?

• 110 volts

• 220 volts

• 120 volts

• 240 volts