Electromagnetic Induction questions
610 published questions with worked solutions.
- If an e.m.f. of 1 A/s then the inductances is
- A coil of insulated wire is connected to battery. If it is connected to galvanometer, its pointer is deflected because
- Mutual induction is the production of induced e.m.f. in a coil due to the changes of current in the
- If the rate of change of current in primary coil is doubled, the induced e.m.f in secondary coil become
- If N is the number of turns in a coil, the value of self inductance varies as
- An inductor may store energy in
- Two pure inductors each of self inductance L are connected in series, the net inductance is
- The self inductance of coil, which produces 5V, when the current changes from 3A to 2A in one millisecond is
- The self inductance of the coil of 100 turns, in which a current of 4A produces a flux of 40 Wb is
- a current of 3 A, in one coil, causes a flux in the second coil of 2000 turns to change by 6 × 10^ -4 Wb per turns of the...
- A wheel with metal spokes 1.2 m long, rotates in a field of inductions 5 × 10^ -5 T normal to the plane of the wheel. If 10^ -2 V...
- The mutual inductance of a coil does not depend on
- Induction coil is an instrument based on the principal of
- A coil is wound on a frame of rectangular cross section. If the linear dimensions of the frame are doubled and the number of...
- If the magnetic flux linked with a coil through which a current of x A is set up, is y Wb, then the coefficient of self...
- In a coil of self inductance 5 H, the rate of change of current is 2A per sec, then emf induced the coil is
- When the number of turns in a coil is doubled without any change in the length of the coil, its self inductance become
- The number of turns in a coil of wire of fixed radius is 600 and its self inductance is 108 mH. The self inductance of a coil of...
- The self inductance of a coil is 5 mH.If a current of 2A is flowing in it, then the magnetic flux produced in the coil will be
- A coil of wire of a certain radius has 100 turns and self inductance of 15 mH. The self inductance of a second similar coil of...
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