Capacitors Quiz

What is a capacitor?

• A device that resists changes in voltage

• A device that stores electrical energy in an electric field

• A device that converts electrical energy into mechanical energy

• A device that increases the voltage of an electrical circuit

Which of the following materials is commonly used as a dielectric in capacitors?

• Copper

• Silver

• Mica

• Iron

Tags

NGSS.HS-PS3-5

What happens to the capacitance of a capacitor if the area of the plates is doubled?

• The capacitance is halved

• The capacitance remains the same

• The capacitance is doubled

• The capacitance is quadrupled

What effect does increasing the distance between the plates of a capacitor have on its capacitance?

• Increases the capacitance

• Decreases the capacitance

• Has no effect on the capacitance

• Initially increases then decreases the capacitance

What is the unit of capacitance?

• Ohm

• Farad

• Volt

• Ampere

In a series circuit of three capacitors with capacitances of 2F, 3F, and 6F, what is the total capacitance?

• 11F

• 1F

Two identical 50 μF capacitors are arranged in series. Determine the overall capacitance of the circuit

• 50 μF

• 100 μF

• 150 μF

• 25 μF

• 17 μF

Three identical 50 μF capacitors are arranged in series. Determine the overall capacitance of the circuit

• 50 μF

• 100 μF

• 150 μF

• 25 μF

• 17 μF