JAMB Physics · Electricity, magnetism and fields
Electrostatics: JAMB Physics Past Questions and Answers
What the JAMB syllabus covers in Electrostatics
Our summary: Positive and negative charges, charging bodies, Coulomb's law and electric fields.
- Existence of positive and negative charges in matter
- Charging a body by friction, contact and induction
- Electroscope
- Coulomb's inverse square law, electric field and potential
- Electric field intensity, potential and potential difference
- Electric discharge and lightning
Objectives
- identify charges;
- examine uses of an electroscope;
- apply Coulomb's square law of electrostatics to solve problems;
- deduce expressions for electric field intensity and potential difference;
- identify electric field flux patterns of isolated and interacting charges;
- analyse the distribution of charges on a conductor and how it is used in lightning conductors;
- charge a body by friction, induction and contact.
Syllabus content © The Joint Admissions and Matriculation Board (UTME).
JAMB Physics questions on Electrostatics
- JAMB 2025At what distance from a 1.2 x 10 ^ -7 C point charge will the electric field intensity be equal to 4.8 x 10 ^ -4 NC ^ -1 [ Take 1/4 ε 0 = 9.0 x 10 ^9 ]
- JAMB 2024Calculate the value of electric field intensity due to a charge of 4μC if the force due to the charge is 8N
- JAMB 2024One of these is not the use of an electroscope
- JAMB 2024When a charged ebonite rod is brought near a charged glass rod, there will be
- JAMB 2024The charge of magnitude 1.6 x 10 ^ -19 C is placed in a uniform electric field of intensity 1200Vm ^ -1 . Calculate its acceleration, if the mass of the charge…
- JAMB 2023Which of the following materials is a good insulator?
- JAMB 2023A charge of 4.6 × 10^ -5 C is placed in an electric field of intensity 3.2 × 10^4 Vm^ -1 . What is the force acting on the electron?
- JAMB 2023A metal sphere is placed on an insulating stand. A negatively charged rod is brought close to it. If the sphere is earthed and the rod is taken away, what will…
- JAMB 2023A positively charged particle is placed near a negatively charged particle. What is the direction of the electric force between the two particles?
- JAMB 2019Aluminium is sometimes used as the leaf of an electroscope because it
- JAMB 2018Which of the following is true of an electrical charge?
- JAMB 2018What flows to the positively charged conductor by connecting it to the earth?
- JAMB 2018A positively charged rod X is brought near an uncharged metal sphere Y and is then touched by a finger with X still in place. When the finger is removed, the…
- JAMB 2017Calculate the electric field intensity between two plates of potential difference 6.5V when separated by a distance of 35cm.
- JAMB 2017Which of the following is true of an electrical charge?
- JAMB 2017Which of the following is not true of an electrical charge?
- JAMB 2014When a negatively charged rod is brought near the cap of a charged gold leaf electroscope which has positive charges, the leaf
- JAMB 2013Calculate the force acting on an electron of charge 1.5 x 10-19C placed in an electric field of intensity 105Vm-1
- JAMB 2013When a charge moves through an electric circuit in the direction of an electric force, it
- JAMB 2011The correct expression for the potential at a point distance r from a charge q in an electric field is?
- JAMB 2010When a positively charged rod is brought nearer the cap of a positively charged electroscope, the leaves divergence will?
Years with Electrostatics questions in DeeepSolve's question bank
From the past questions DeeepSolve holds, not a count of everything the exam body has set.
- 2025
- 2024
- 2023
- 2019
- 2018
- 2017
- 2014
- 2013
- 2011
- 2010