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Electric Charge and Coulomb's Law for GSEB: 16 solved questions

Real GSEB paper questions on electric charge and coulomb's law, part of electric charge and properties. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2015 to 2023. No sign-in needed to read them.

What this topic asks

• Properties of charge — 7 questions
• Coulomb's law and superposition — 5 questions
• Units and dimensions — 2 questions
• Equilibrium and small oscillations — 1 question
• Charge sharing between conductors — 1 question

All 16 questions with solutions

• The electric force acting between two point charges kept at a certain distance in vacuum is F. If the same tw… GSEB Board July 2016
• The force acting between two point charges kept at a certain distance is 5 N. Now the magnitudes of the charg… GSEB Board July 2017
• Two spheres, each carrying a charge q, hang from the same point of suspension by threads of length 2 m, in a… GSEB Board July 2017
• When two spheres having charges 5Q and -Q are placed at a certain distance, the force acting between them is… GSEB Board March 2018
• The charge equivalent to 6×10¹⁸ electrons is _. GSEB Board March 2020
• The ratio of the electric force to the gravitational force between a proton and an electron at a certain dist… GSEB Board March 2020
• The total positive charge in a cup containing 180 g of water is GSEB Board August 2020
• The electric force between an electron and a proton separated by a distance of 1 mm is Fₑ= N. (K=1/(4πε₀)) GSEB Board July 2021
• If a body contains n₁ protons and n₂ electrons, the total amount of charge on the body is . GSEB Board July 2021
• If a body contains n₁ electrons and n₂ protons, the total amount of charge on the body is _. GSEB Board March 2022
• A plastic rod rubbed with wool is found to have a negative charge of 8×10⁻⁷ C. The number of electrons transf… GSEB Board March 2023
• The Coulombian repulsive force between two alpha particles kept at a distance of 3 cm in air is N. GSEB Board March 2023
• The number of fundamental (electronic) charges equivalent to a charge of 1 C is GSEB Board July 2023
• When 10²⁰ electrons are removed from a neutral metal plate through some process, the charge on it becomes . GSEB Board March 2018
• The dimensions of permittivity [ε₀] are . Take Q as the dimension of charge. GSEB Board July 2015
• The dimensions of (Ke²)/(Gmₑmₚ) are . GSEB Board March 2022