Electrostatic potential and capacitance

What is the unit of capacitance?

• Farad

• Joule

• Henry

• Ohm

Answer explanation

The unit of capacitance is Farad, which is the correct choice for this question.

What is the formula for the energy stored in a capacitor?

• E = 2CV

• E = mc^2

• E = (1/2)CV^2

• E = C/V

Answer explanation

The formula for the energy stored in a capacitor is E = CV^2, where E represents energy, C is the capacitance, and V is the voltage across the capacitor.

What is the measure of a material's ability to reduce the electric field within it?

• Permittivity

• Dielectric Constant

• Polarization

• Capacitance

Answer explanation

The measure of a material's ability to reduce the electric field within it is known as the Dielectric Constant.

What does Gauss's Law relate to?

• Electric Charge Distribution

• Magnetic Field

• Ohm's Law

• Newton's Law of Motion

Answer explanation

Gauss's Law relates to Electric Charge Distribution.

What is the work done per unit charge in bringing a small positive test charge from infinity to a point in an electric field?

• Electric Field

• Voltage

• Electric Potential

• Capacitance

Answer explanation

The work done per unit charge in bringing a small positive test charge from infinity to a point in an electric field is known as Electric Potential.

What is the ability of a system to store an electric charge measured in?

• Watts

• Hertz

• Farads

• Ohms

Answer explanation

The ability of a system to store an electric charge is measured in Farads, making it the correct choice among the options provided.

What is the device that stores electric energy in an electric field?

• Capacitor

• Inductor

• Transformer

• Resistor

Answer explanation

The device that stores electric energy in an electric field is a Capacitor.

What is the SI unit of electric charge?

• Coulomb

• Ohm

• Henry

• Farad

Which law states that the total electric flux through a closed surface is equal to the charge enclosed by the surface?

• Gauss's Law

• Ohm's Law

• Faraday's Law

• Newton's Law of Motion

What is the property of a material that determines how much electric field it can withstand before breaking down?

• Conductivity

• Permittivity

• Resistance

• Inductance