Question 1:

According to Coulomb's Law, the magnitude of the electrostatic force between two point charges is directly proportional to:

Explanation: According to Coulomb's Law, the magnitude of the electrostatic force between two point charges is directly proportional to the product of their charges. In mathematical terms, F ∝ q1q2.

Question 2:

The SI unit of electric charge is:

Explanation: The SI unit of electric charge is the Coulomb (C). It is named after the French physicist Charles-Augustin de Coulomb, who made significant contributions to the study of electrostatics.

Question 3:

The electric potential at a point in an electric field is defined as:

Explanation: The electric potential at a point in an electric field is defined as the work done to bring a unit positive test charge from infinity to that point. It is measured in volts (V).

Question 4:

When two point charges are brought closer together, the electric potential energy of the system:

Explanation: When two point charges are brought closer together, the electric potential energy of the system increases. This increase in potential energy is a result of the work done against the repulsive force between the charges.

Question 5:

The electric field lines around a positive point charge:

Explanation: The electric field lines around a positive point charge originate from the charge and extend radially outward. They represent the direction and magnitude of the electric field produced by the charge.