Electric Charges and Fields questions
340 published questions with worked solutions.
- Three charges each of +1 , C are placed at the corners of an equilateral triangle. If the force between any two charges be F,...
- Charge q_1 = +6.0 nC is on Y-axis at y=+3 cm and charge q_2 = -6.0 nC is on Y-axis at y=-3 cm. Calculate force on a test charge...
- Two point charges placed at a certain distance r in air exert a force F on each other. then the distance r' at which these...
- Suppose the charge of a proton and an electron differ slightly. One of them is -e and the other is (e + e). If the net of...
- Charge q_2 of mass m revolves around a stationary charge q_1 in a circular orbit of radius r. The orbital periodic time of q_2...
- If charge q is placed at the centre of the line joining two equal charges Q, the system of these charges will be in equilibrium,...
- The electric field at a point is
- The bob of a simple pendulum has mass 2 g and a charge of 5.0 , C . If is at rest in a uniform horizontal electric field of...
- The electric field in the space between the plates of a discharge tube is 3.25 10^ 4 N ,C^ -1 . If mass of proton is 1.67 10^ -27...
- A conductor has been given a charge -3 10^ -7 C by transferring electron. Mass increase (in kg) of the conductor and the number...
- Two point charges +2 C and +6 C repel each other with a force of 12 N. If a charge of -4 C is given to each of these charges, the...
- Three equal charges are placed on the three corners of a square. If the force between q_1 and q_2 is F_ 12 and that between q_1...
- The ratio of electrostatic and gravitational forces acting between electron and proton separated by a distance 5 10^ -11 m, will...
- Two spherical conductors B and C having equal radii and carrying equal charges in them repel each other with a force F, when kept...
- Two charges +4e and +e are at a distance x apart. At what distance, a charge q must be placed from charge +e, so that it is in...
- An infinite number of charges, each of charge 1 , C are placed on the X-axis with coordinates x = 1, 2, 4, 8, . If a charge of 1...
- There are two charged identical metal spheres A and B repel each other with a force 3 10^ -5 N. another identical uncharged...
- Two equally charged small balls placed at a fixed distance experiences a force F. A similar uncharged ball after touching one of...
- Two point charges +3 , C and +8 , C repel each other with a force of 40 N. If a charge of -5 , C is added to each of them, then...
- Two electrons are separated by a distance of 1 Å. what is the Coulomb force between them? [MHTCET 2021]
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration