Test Physics 19 Jan 2025
- Find the equation for the electric field due to a dipole at a point on its equatorial plane.
- Derive an equation for the capacitance of a parallel plate capacitor.
- Derive an equation for potential due to a point charge q at a distance r from it.
- What is coulomb’s law? Explain how the electric field varies with distance from the charge.
- Draw electric field lines for positive and negative charges.
- Two positive charges are kept together. Draw equipotential lines for the charge combination.