Moving Charges and Magnetism questions
775 published questions with worked solutions.
- Two long straight wires P and Q carrying equal current 10A each were kept parallel to each other at 5 cm distance. Magnitude of...
- For a moving coil galvanometer, the deflection in the coil is 0.05 rad when a current of 10 mA is passed through it. If the...
- Two long parallel wires carrying currents 8 A and 15 A in opposite directions are placed at a distance of 7 cm from each other. A...
- A solenoid of 1200 turns is wound uniformly in a single layer on a glass tube 2 m long and 0.2 m in diameter. The magnetic...
- Match List I with List II List-I (Current configuration): A. [circular loop with current] B. [semicircular wire with straight...
- The electric current in a circular coil of four turns produces a magnetic induction 32 T at its centre. The coil is unwound and...
- The magnetic moment associated with two closely wound circular coils A and B of radius r_A = 10 cm and r_B = 20 cm respectively...
- The number of turns of the coil of a moving coil galvanometer is increased in order to increase current sensitivity by 50%. The...
- A rod with circular cross-section area 2 cm^2 and length 40 cm is wound uniformly with 400 turns of an insulated wire. If a...
- STATEMENT-1 : The sensitivity of a moving coil galvanometer is increased by placing a suitable magnetic material as a core inside...
- A steady current I goes through a wire loop PQR having shape of a right angle triangle with PQ = 3x, PR = 4x and QR = 5x. If the...
- If a current is passed through a spring then the spring will
- If in a circular coil A of radius R, current I is flowing and in another coil B of radius 2R a current 2I is flowing, then the...
- If an electron and a proton having same momenta enter perpendicular to a magnetic field, then
- The time period of a charged particle undergoing a circular motion in a uniform magnetic field is independent of its
- At a specific instant emission of radioactive compound is deflected in a magnetic field. The compound can emit (i) electrons (ii)...
- The magnetic lines of force inside a bar magnet
- A particle of mass M and charge Q moving with velocity v describe a circular path of radius R when subjected to a uniform...
- The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance of 4 cm from the...
- Two long conductors, separated by a distance d carry current I_1 and I_2 in the same direction. They exert a force F on each...
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