magnetism of a magnetic material is between magnetism and electricity referred t
ID: 2080501 • Letter: M
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magnetism of a magnetic material is between magnetism and electricity referred to as that serves as the foundation for 15, which of the following has the least number of valence electrons? Hans Christian Oersted B. Semiconductor C. Andre Ampere 8. The EMf produced in a wire by its Michael Faraday D. Semi-insulator 2. Who discovered the most important not depend upon the 16. What principle states that each electrical effects which is the A. Diameter of the wire electron in an atom must have a different set of quantum numbers James Clerk Marwell C. Orientation of the wire Hans Christian Oersted D. Flux density of the field Exclusion principle C. Andre Ampere C. Quantum principle Michael Faraday magnetic material losses its principle ferromagnetic properties at a point A law that states that the polarity of 17. One of the common application of the induced voltage will oppose the A. Curie temperature change in magnetic flux causing the an air-cored choke. Inferred absolute temperature induction. A. Radio frequency C. Critical temperature A. Hall's law B. Audio frequency D. Cryogenic temperature Power supply Child's law 10. Small voltages generated by a D. Power transformer Franz law with curren in an 18, Permanent magnets can be found external magnetic field. 4 If you hold the conductor with right effect A. electric bells hand so that the stretched thumb Wall effect earphones points in the direction of the Walt effect current, then encircling fingers will D. Wiegand effect D. dynamic loudspeakers give the direction of magnetic lines of force round the conductor. This is 11. An effect which isgenerally used in 19. Which of the following is a known as the gausameter to measure flux paramagnetic material? Right hand rule B. Cork screw rule Hall effect B. Bismuth Left hand rule Wall effect D. Helix rule Walt effect D. Wiegand effect 5. Which of the following materials has 20 what is used as the dielectric permeability slightly less than that 12. An alloy of 22 percent iron and 78 material in high voltage of free space? per cent nickel transformers? Paramagnetic B. Non-magnetic Paraffin c, Ferromagnetic C. Porcela Diamagnetic D. Manganin ed paper The ability of a material to conduct he following electric 21. What is the reciprocal of quality magnetic flux through it. quantities is vector in character? factor? A Permittivity A. Power factor B. Reactive factor Energy C. Dissipation factor D. Potential Difference D. 1/Q factor 7. The amount of magnetizing force to 14 What is the SI unit of magnetic flux? 22. If two similar charges 1 coulomb counter balance the residual A. Tesla each are placed 1 m apart in air then the force of repulsion isExplanation / Answer
1 Hans Christian Oersted
2.Hans Christian Oersted
3.Child’s law
4.Right hand rule
5 Diamagnetic
6 Permeability
7 Retentivity.
8 Diameter of the wire
9 Curie temperature
10 Hall effect
11 Walt effect
12 Permalloy
13 Field
14 Weber
15 Conductor
16 Exclusion principle
17 Radio frequency
18 Earphones
19 Oxygen
20 Porcelain
21 Dissipation factor
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