Capacitance Quiz

What is capacitance?

• The ability of a capacitor to resist electric current

• The ability of a capacitor to generate electricity

• The ability of a capacitor to conduct electricity

• The ability of a capacitor to store an electric charge

What is the unit of capacitance?

• Coulombs

• Farads

• Volts

• Ohms

What is the formula for capacitance?

• C = V/Q

• C = Q/V

• C = V*Q

• C = Q-V

What does a capacitor store energy in the form of?

• Magnetic field

• Electric field

• Kinetic energy

• Thermal energy

What happens when a capacitor is connected to a battery?

• It discharges immediately

• It stores opposite charges on its plates

• It loses all its charge

• It generates heat

What is the analogy used to describe a capacitor?

• A water tank with two chambers

• A balloon

• A sponge

• A battery

Which factor does NOT affect capacitance?

• Color of the plates

• Dielectric material

• Distance between plates

• Plate area

What is the formula for the capacitance of a parallel-plate capacitor?

• C = εA/d

• C = εd/A

• C = A/εd

• C = d/εA

What is the energy stored in a capacitor with 4 F capacitance and 12 V voltage?

• 144 J

• 288 J

• 48 J

• 72 J

How do capacitors in parallel affect total capacitance?

• They multiply to increase total capacitance

• They decrease total capacitance

• They have no effect on total capacitance

• They add up to increase total capacitance