Electrostatic Potential and Capacitance Equations

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What determines the capacitance of a capacitor purely geometrically?

The voltage across the plates

The charge on the plates

The separation between the plates (correct)

The presence of a dielectric

What happens to the capacitance of a capacitor when a dielectric is introduced between the plates?

It increases (correct)

It remains the same

It decreases

It becomes zero

What is the unit of capacitance?

Farad (correct)

Volt

Ampere

Ohm

What formula represents the total capacitance of capacitors in series?

$\frac{1}{C} = \frac{1}{C_1} + \frac{1}{C_2} + \frac{1}{C_3} + ...$ Signup and view all the answers

What is the energy stored in a capacitor with capacitance C, charge Q, and voltage V?

$U = CV^2$ Signup and view all the answers

In a parallel combination of capacitors, how is the total capacitance calculated?

$C = C_1 + C_2 + C_3 + ...$ Signup and view all the answers

What causes a decrease in potential difference between the plates of a capacitor filled with a dielectric?

Induced dipole moment in the dielectric Signup and view all the answers

What is the electric energy density in a region with an electric field?

$\epsilon_0 E$ Signup and view all the answers

What type of generator consists of a large spherical conducting shell?

Van de Graaff generator Signup and view all the answers

What does 'K' represent in the formula C = KC0 for a capacitor with a dielectric inserted?

Dielectric constant of insulating substance Signup and view all the answers

Electrostatic Potential and Capacitance Equations

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Questions and Answers

What determines the capacitance of a capacitor purely geometrically?

What happens to the capacitance of a capacitor when a dielectric is introduced between the plates?

What is the unit of capacitance?

What formula represents the total capacitance of capacitors in series?

What is the energy stored in a capacitor with capacitance C, charge Q, and voltage V?

In a parallel combination of capacitors, how is the total capacitance calculated?

What causes a decrease in potential difference between the plates of a capacitor filled with a dielectric?

What is the electric energy density in a region with an electric field?

What type of generator consists of a large spherical conducting shell?

What does 'K' represent in the formula C = KC0 for a capacitor with a dielectric inserted?

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