18 past paper questions on electrostatics from Gauteng, KwaZulu-Natal, NSC, 2021–2026. Read what each one asks, then open it with its memo.
8 questions on electrostatics. Each opens in the question browser with its memo.
Calculate the electric field strength from a +4 nC point charge at 0,025 m and determine the initial negative charge on one suspended ball that attracts then repels an identical ball held 10 cm apart.
Determine the polarity and magnitude of point charge T experiencing a net electrostatic force of 2,5 × 10⁻⁴ N, given its position relative to charges P (+2 nC) and S (−2 nC) arranged in a line.
Calculate the magnitude of point charge Z positioned 0,01 m from charge X, given that the resultant electric field at X is 4,91 × 10⁵ N·C⁻¹, with charges X and Y separated 0,03 m apart.
Calculate the net electric field at point P located 40 mm from sphere R (charge +0,7 µC), given sphere S carries 7,5 × 10¹² excess electrons and is 120 mm from R.
Calculate the magnitude of charge q₂ when a test sphere carrying −1,95 × 10⁻⁶ C at point P experiences a net westward force of 1,38 N from two fixed charges 0,02 m apart.
Determine the charge on pith ball D by applying Coulomb's law to compare the electrostatic forces between ball A and spheres D and C positioned at 2,4 cm and 4 cm respectively.
Calculate the angle θ of a suspended sphere S (+3 nC, mass 0,15 g) repelled by sphere R (+6 nC) to a horizontal separation of 0,03 m using Coulomb's law and equilibrium conditions.
Calculate the distance from sphere P (+4 µC) where the net electric field becomes zero, both before and after two charged spheres touch and redistribute their charges equally.
10 exam pages where electrostatics appears alongside other topics — multiple-choice pages, and pages where one question ends and the next begins. Listed in full so nothing is hidden.
Multiple-choice page covering Doppler shift of spectral lines from a moving star and the relationship between electric field magnitude and point charge at a fixed distance.
Calculate the electrostatic force on a charged sphere after contact with another sphere, and determine the power dissipated in one identical resistor given the power in another under specific circuit arrangement.
Multiple-choice questions on momentum conservation for two blocks launched by a compressed spring and gravitational force between spheres of different masses.
Multiple-choice page covering Doppler shift from a moving police siren and electrostatic forces and charge redistribution between three point charges when identical spheres touch and separate.
Multiple-choice page covering net forces in projectile motion, conservation laws in inelastic collisions, work-energy relationships, Doppler effect, and electrostatic forces.
Identify the magnitude of electrostatic force exerted on one charged sphere by another, and determine which voltmeter connected across identical resistors will show the highest reading.
Multiple-choice page covering red-shift observation of star spectra to determine recession, and the electric field pattern from two charged spheres to identify their polarities.
Multiple-choice page covering the relationship between red-shift and recession velocity of stars, and the combined electric field direction from two charged spheres at a point.
Multiple-choice page covering the Doppler effect with a moving listener and the electric field vector addition from two equal negative point charges at a common distance.
Multiple-choice page covering the relationship between Coulomb's constant and graphed quantities in electrostatics, and the resultant electric field from two opposite point charges.
Carry on through the Grade 12 curriculum.
Optical Phenomena past paper questionsDescriptions last updated 6 August 2026.