Electrostatics Quiz

What is the charge of a proton?

• +1.602 x 10^-19 C

• 0 C

• -1.602 x 10^-19 C

• +1.0 C

Which material is considered a conductor?

• Rubber

• Plastic

• Copper

• Glass

What is the SI unit of electric charge?

• Ohm

• Coulomb

• Ampere

• Volt

What happens when two like charges are brought close together?

• They attract each other

• They repel each other

• They combine to form a new charge

• They neutralize each other

What is the formula for Coulomb's Law?

• F = k (q1 + q2) / r^2

• F = k (q1 * q2) * r^2

• F = k (q1 * q2) / r^2

• F = k (q1 - q2) / r^2

What is the electric field around a positive charge?

• Remains constant

• Radiates inward

• Radiates outward

• Vanishes

What is the relationship between electric force and distance according to Coulomb's Law?

• Exponential relationship

• No relationship

• Inversely proportional

• Directly proportional

What is the effect of increasing the distance between two charges?

• Increases the force

• Decreases the force

• No effect

• Reverses the force

What is the term for materials that resist the flow of electric charge?

• Semiconductors

• Superconductors

• Insulators

• Conductors

What is the principle that states the total force on a charge is the vector sum of all forces acting on it?

• Ohm's Law

• Gauss's Law

• Coulomb's Law

• Superposition Principle