Electric Charges and Fields questions
340 published questions with worked solutions.
- In hydrogen like system the ratio of coulombian force and gravitational force between an electron and a proton is in the order of:
- σ is the uniform surface charge density of a thin spherical shell of radius R. The electric field at any point on the surface of...
- In finding the electric field using Gauss law the formula | E |= q_ enc _0|A| is applicable. In the formula _0 is permittivity of...
- Two identical conducting spheres P and S with charge Q on each, repel each other with a force 16N. A third identical uncharged...
- An electric field, E = 2 i + 6 j + 8 k 6 passes through the surface of 4 m² area having unit vector n = ( 2 i + j + k 6 ). The...
- Consider the force F on a charge 'q' due to a uniformly charged spherical shell of radius R carrying charge Q distributed...
- A spherical conductor of radius 10 cm has a charge of 3.2 10^ -7 C distributed uniformly. What is the magnitude of electric field...
- A particle of charge q and mass m is projected from origin with an initial velocity v= ( v_0 2 x+ v_0 2 y ). There exists a...
- A thin half ring of radius 35 cm is uniformly charged with a total charge of Q coulomb. If the magnitude of the electric field at...
- Two point charges q₁ = 3 μC and q₂ = −4 μC are placed at points (2î+3ĵ+3k̂) and (î+ĵ+k̂) respectively. Force on charge q₂ is...
- If E d S=0 over a surface, then :
- An electric field is given by (6 i + 5 j + 3 k) N/C. The electric flux through a surface area 30 i m² lying in YZ-plane (in SI...
- Two charges of 5Q and –2Q are situated at the points (3a, 0) and (–5a, 0) respectively. The electric flux through a sphere of...
- A particle of charge '–q' and mass 'm' moves in a circle of radius 'r' around an infinitely long line charge of linear charge...
- Force between two point charges q₁ and q₂ placed in vacuum at 'r' cm apart is F. Force between them when placed in a medium...
- Two charges q and 3q are separated by a distance 'r' in air. At a distance x from charge q, the resultant electric field is zero....
- Find out the surface charge density at the intersection of point x = 3 m plane and x-axis, in the region of uniform line charge...
- The electric field in a region is given by E = 2 5 E_0 i + 3 5 E_0 j with E_0=4.0 10^3 N C . The flux of this field through a...
- An infinite number of point charges, each carrying 1 charge, are placed along the y-axis at y = 1 m, 2 m, 4 m, 8...
- An oil drop of radius 2 mm with a density 3g cm^ -3 is held stationary under a constant electric field 3.55 10^5 V m^ -1 in the...
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