Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A rectangular coil of 500 turns with an average area per turn 4.00 cm^2 carries a current of 0.2 A. The coil is placed at an...
- A rectangular coil of area 5.0 10^ -4 m^2 and 40 turns is pivoted about one of its vertical sides. The coil is in a horizontal...
- A 200 turn rectangular coil measuring 0.02 m 0.08 m of an ammeter is in a magnetic field of induction 0.2 tesla. The torsional...
- A rectangular coil of 100 turns has length 5 cm and breadth of 2 cm. It is suspended in radial magnetic field of induction 0.1...
- A galvanometer of resistance 25 is shunted by 2.5 resistance. The part (fraction) of the total current that flows through the...
- A galvanometer (G = 1000 ) gives full scale deflection when a current 10 flows through it. It is required to measure a current...
- In order to pass 10% of main current through a moving coil galvanometer of 99 ohm, the resistance of the required shunt is
- An ammeter is obtained by shunting a 30 galvanometer with 30 resistance. What additional shunt be connected across it to double...
- The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions, when a shunt of 12 is connected across it....
- In an ammeter, 10% of the main current is passing through galvanometer, if the galvanometer is shunted with a 10 resistance. What...
- A moving coil galvanometer has resistance 30 and gives full scale deflection, when carrying a current of 5.4 10^ -6 A. The...
- The deflection of galvanometer falls from 60 to 30, when 12 shunt is connected across it. The galvanometer resistance is
- A voltmeter reads 3 V at full-scale deflection and is graded as 6000 /V. What resistance should be connected in series with it so...
- A moving coil galvanometer of resistance 40 gives full scale deflection when a current of 0.25 mA is passed it. To convert it to...
- A galvanometer gives full scale deflection when the current passed through it is 3 mA. Its resistance is 100 without connecting...
- A galvanometer may be converted into an ammeter or a voltmeter. In which of the following cases is the resistance of the device...
- A galvanometer can withstand safely a maximum current of 5 mA. It is covered into a voltmeter reading upto 20 V by connecting in...
- A galvanometer of resistance 50 is connected to a battery of 3 V along with a resistance of 2950 in series. A full scale...
- A voltmeter of range 3 V and resistance 200 cannot be converted to an ammeter of range
- The coil of galvanometer consists of 80 turns and effective area of 5 cm^2 . The restoring couple is 10^ -8 N ,m/radian . 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