Electrostatics and Fluid Mechanics Quiz

What is the SI unit of electric charge?

• Volt

• Newton

• Joule

• Coulomb

What is the charge of a single proton?

• -1.6 x 10^-19 C

• 3.2 x 10^-19 C

• 1.6 x 10^-19 C

• 0 C

Which of the following materials is a good electrical conductor?

• Wood

• Copper

• Glass

• Rubber

What is the primary characteristic of electrical insulators?

• Low resistivity

• Bound electrons

• High conductivity

• Free electrons

What is the process of charging an object by rubbing it with another object called?

• Charging by conduction

• Charging by induction

• Charging by friction

• Charging by radiation

According to Coulomb's Law, the electric force between two charged objects is inversely proportional to what?

• The velocity of the charges

• The mass of the objects

• The distance between the charges

• The product of the charges

What is the formula for electric field intensity?

• E = F/q

• E = q/F

• E = m/a

• E = V/d

What does the term 'dielectric constant' refer to?

• The ability of a material to conduct electricity

• The ability of a material to store electrical energy

• The resistance of a material to electric flow

• The ratio of the electric field in a vacuum to that in a medium

What is the principle behind charging by induction?

• Contact between two objects

• Friction between two objects

• The presence of a charged object without contact

• The transfer of protons

What is the net charge of an object with an excess of 6.0 x 10^6 electrons?

• -1.0 x 10^-6 C

• -9.6 x 10^-6 C

• -1.0 x 10^-12 C

• -9.6 x 10^-13 C