QUIZ 1 (TOPIC 1,2,3)

1. Which of the following statements is TRUE about Coulomb’s Law?

• The total charge in an isolated system is conserved
• The magnitude of the electrostatic force between two point charges is proportional to the product of the charges and inversely proportional to the distance between them
• The magnitude of the electrostatic force between two point charges is proportional to the product of the charges and inversely proportional to the square of the distance between them.
• The magnitude of the electrostatic force is proportional to the product of the charges.

2. A stationary charged particle produces

• an electric field
• a magnetic field
• gravitational field
• electric field and magnetic field

3. What is the direction of the electric field between the plates A and B shown in the figure below?

• To the left
• To the right
• Into the page
• Out of the page

4. The amount of work done in bringing a unit positive charge from infinity to a point in electric field is called

• coulomb's force
• electric field
• electric potential
• electric potential difference

5. Which of the following statements is NOT TRUE about the equipotential lines of a point charge?

• Parallel to the electric field
• No work done in moving a charge along the equipotential lines
• Locus of points that have the same electric potential
• The closer the equipotential lines, the greater the electric field

6. What is the SI unit of electric potential?

• Volt per meter
• Newton per coulomb
• Volt
• Newton

7. For constant potential difference, the charge of the capacitor is directly proportional to

• capacitance
• resistivity
• current
• resistance

8. The ability of a capacitor to store charge depends upon

• distance between plates only
• type of plates used only
• area of plates and type of dielectric used
• area of plates, distance between plates and type of dielectric used

9. When 3 capacitors in parallel, the equivalent capacitance is

• A
• B
• C
• D

10.The following equations represent the energy stored in a capacitor EXCEPT

• 
• 
• 
•