CHAPTER 6 CAPACITOR

What is the main function of a capacitor?

• Generate heat

• Control sound

• Store energy

• Produce light

What is the unit of capacitance?

• Farad

• Ampere

• Volt

• Ohm

What happens when a power supply is disconnected from a circuit with a charged capacitor?

• The capacitor explodes

• The capacitor discharges gradually

• The capacitor charges more

• The capacitor becomes a resistor

Which type of power source can be categorized as AC or DC?

• Batteries

• Solar cells

• Wind turbines

• Hydroelectric power

What does an RC circuit combine?

• Capacitor and diode

• Capacitor and inductor

• Resistor and capacitor

• Resistor and inductor

What does the resistor do in an RC circuit?

• Increase the voltage

• Block the current flow

• Control the charging/discharging rate of the capacitor

• Store energy

What will happen to a capacitor without a resistor in an RC circuit?

• It will become a battery

• It will charge instantly

• It will discharge instantly

• It will explode

What is the function of a dielectric in a capacitor?

• Generate heat

• Separate the conductor plates

• Store energy

• Increase resistance

What does a high capacitance value indicate?

• Small amount of electric charge stored

• Large amount of electric charge stored

• No electric charge stored

• Variable electric charge stored

What is the circuit symbol of a basic capacitor?

• Square

• Two parallel lines

• Circle

• Triangle