Electric Charges and Fields questions
340 published questions with worked solutions.
- The electric field intensity on the surface of a solid charged sphere of radius r and volume charge density is ( _0 =...
- A charge Q is placed at the centre of a cube. The flux through two opposite faces of the cube is ( _0 = permittivity of free...
- Four charges 2 μC, -3 μC, 4 μC, -4 μC and -1 μC are enclosed by the Gaussian surface of radius 2 m. Net outward flux through the...
- Three charges '+3q', 'Q' and '+q' are placed in a straight line of length ' ' at points at distances 0, 2 and respectively. The...
- The electric field intensity near a conducting surface having uniform surface charge density ' ' is given by ( _0 = permittivity...
- Out of the following statements which is NOT the characteristics of electric lines of force?
- The electric potential V(x) in a region around the origin is given by V(x) = 4x^2 volts. The electric charge enclosed in a cube...
- Two charges, each equal to q, are kept at x = −a and x = a on the x-axis. A particle of mass m and charge q_0 = - q2 is placed at...
- Two balls of same mass and carrying equal charge are hung from a fixed support of length l. At electrostatic equilibrium,...
- A liquid drop having 6 excess electrons is kept stationary under a uniform electric field of 25.5 kVm^ -1 . The density of liquid...
- The surface charge density of a thin charged disc of radius R is σ. The value of the electric field at the centre of the disc is...
- The magnitude of the average electric field normally present in the atmosphere just above the surface of the Earth is about 150...
- A cone of base radius R and height h is located in a uniform electric field E parallel to its base. The electric flux entering...
- A spherically symmetric charge distribution is characterised by a charge density having the following variations: (r) = _o (1 -...
- The electric field in a region of space is given by, E = E_0 i + 2E_0 j where E_0 = 100 N C^ -1 . The flux of this field through...
- Unit of electric flux is [MHT-CET 2005]
- SI unit of electric intensity is
- Which is not a unit of electric field?
- The unit of permittivity of free space, _0, is **[MP PET 1993, MP PMT 2003, CBSE PMT 2004]**
- Two negatively charged particles having charges e_1 and e_2, and masses m_1 and m_2 respectively, are projected one after another...
PreviousPage 17
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