Electric Charge and Circuits Quiz

What is the primary focus of this chapter?

• Thermal energy

• Magnetic fields

• Static electricity only

• Energy of electric charge configurations

What causes electrons to move through a circuit?

• A difference in potential energy

• High temperature

• Magnetic fields

• Static charge

What is electric current a measure of?

• The resistance of a conductor

• The rate at which charge moves through a conductor

• The amount of charge stored in a battery

• The voltage of a circuit

What is the role of a battery in a circuit?

• To cool the circuit

• To increase resistance

• To store energy

• To provide a source of emf

What happens to energy in a circuit with resistance?

• It is stored in capacitors

• It is converted to light only

• It dissipates as heat

• It increases indefinitely

Which of the following is NOT a source of emf?

• A battery

• A capacitor

• A resistor

• A generator

What analogy is used to explain potential energy in circuits?

• A box on an incline

• A car on a flat road

• A balloon in the air

• A river flowing downhill

What is the purpose of an electric circuit?

• To transfer energy from one place to another

• To store energy

• To increase resistance

• To generate heat

What type of energy transfer will be studied in this chapter?

• Mechanical energy

• Chemical energy

• Nuclear energy

• Electric potential energy

What is the effect of friction in the analogy of a box sliding down an incline?

• It dissipates energy as heat

• It increases kinetic energy

• It increases potential energy

• It has no effect