Energy Storage Quiz

What is the primary function of a capacitor?

• To generate energy

• To store energy

• To dissipate energy

• To convert energy

What is the unit of capacitance?

• Volt

• Henry

• Farad

• Ohm

Which component cannot produce or dissipate energy?

• Resistor

• Inductor

• Both Capacitor and Inductor

• Capacitor

What happens to a capacitor when it is disconnected from a voltage source?

• It becomes a resistor

• It retains the stored charge for a long time

• It loses all charge immediately

• It explodes

What is the formula for capacitance?

• C = Q/V

• C = V/Q

• C = I/V

• C = V/I

What type of capacitor can be adjusted manually?

• Electrolytic capacitor

• Ceramic capacitor

• Variable capacitor

• Fixed capacitor

What is the relationship between plate area and capacitance?

• Exponential relationship

• No relationship

• Directly proportional

• Inversely proportional

What is the dielectric constant?

• A measure of a material's resistance

• A measure of a material's capacitance

• A measure of a material's ability to establish an electric field

• A measure of a material's ability to conduct electricity

What is the energy stored in a capacitor directly related to?

• The size of the capacitor and the square of the voltage

• The size of the capacitor and the current

• The voltage and the resistance

• The charge and the capacitance

What is the maximum voltage a capacitor can withstand called?

• Working voltage

• Breakdown voltage

• Insulation voltage

• Capacitance voltage