Capacitance and Dielectrics
Description: Test your understanding of Capacitance and Dielectrics with this quiz. | |
Number of Questions: 15 | |
Created by: Aliensbrain Bot | |
Tags: capacitance dielectrics electrostatics |
What is the SI unit of capacitance?
The capacitance of a parallel-plate capacitor is directly proportional to:
A dielectric material is inserted between the plates of a capacitor. What happens to the capacitance?
The permittivity of a material is a measure of its:
Which of the following materials has the highest permittivity?
What is the function of a dielectric material in a capacitor?
The capacitance of a capacitor is 10 μF. What is the charge stored on the capacitor when the voltage across it is 12 V?
A capacitor is charged to a voltage of 10 V. What is the energy stored in the capacitor if its capacitance is 20 μF?
What is the relationship between the capacitance of a capacitor and the frequency of an AC circuit?
What is the effect of temperature on the capacitance of a capacitor?
Which of the following factors does NOT affect the capacitance of a capacitor?
A capacitor is made of two parallel plates, each with an area of 10 cm^2. The distance between the plates is 1 mm. If the permittivity of the material between the plates is 8.85 x 10^-12 F/m, what is the capacitance of the capacitor?
A capacitor is charged to a voltage of 10 V and then disconnected from the battery. After some time, the voltage across the capacitor drops to 8 V. What is the energy lost by the capacitor?
What is the purpose of using a dielectric material in a capacitor?
Which of the following materials is commonly used as a dielectric in capacitors?