Questions on Capacitance

Explain what capacitance is and how a capacitor stores energy.
Describe the unit of capacitance and what it represents.
How does increasing the surface area of the plates in a capacitor affect its capacitance?
What happens to the capacitance if the distance between the capacitor plates is increased?
In a simple circuit, how does adding a capacitor in parallel with another capacitor affect the total capacitance?
Explain the purpose of a capacitor in an AC circuit.
What is the role of a dielectric material in a capacitor?
Describe a situation in an electronic circuit where a capacitor might be used.
Why do capacitors block DC currents while allowing AC currents to pass?
How would you identify the polarity of an electrolytic capacitor?

Questions on Inductance

Explain what inductance is and how it works in an inductor.
Describe the unit of inductance and what it represents.
How does the number of coils or turns in an inductor affect its inductance?
Explain what would happen to the inductance if the core material of an inductor is changed from air to iron.
How does an inductor store energy, and in what form?
Describe the relationship between inductance and frequency in an AC circuit.
Explain why inductors oppose changes in current.
Describe one practical application where an inductor is used in a radio circuit.
Describe what happens to the magnetic field around an inductor as the current passing through it increases.

Explain what resonance is in an electrical circuit.
Describe the conditions required for resonance to occur in an LC circuit.
How does the resonant frequency change if the capacitance in an LC circuit is increased?
Describe what happens to the impedance of an LC circuit at resonance.
Explain why resonance is important in radio communication.
What happens to the energy in an LC circuit at resonance?
Explain how a resonant circuit can be used to tune a radio receiver to a specific frequency.