Steel

Magnesia

Lodestone

S oft iron

**The amount of magnetizing force to counter balance the resid magnetic material is referred to as****The temperature coefficient of resistance of a conductor ______ with an increase in temperature.****Electric potential is a _______ quantity.****Who discovered that a current-carrying conductor would move when placed in a magnetic field?****The straight line passing through the two poles of magnet is called****Formed when there exist distant electronic interactions between (opposite) charges present in the neighboring…****What is the SI unit of magnetic flux?****______ is an electromagnet with its core in the form of a close magnetic ring.****Magnetic intensity is a****A test charge means a charge of****The magnetic field of a magnetized iron bar when strongly heated****A permanent magnet does not exert a force on****An alloy of 40 percent iron and 60 percent nickel.****The magnitude of the induced emf in a coil is directly proportional to the rate of change of flux linkages.…****The permittivity of a material is given by one of the following formulas.****At/m is a unit of****The conduction of electricity across the surface of a dielectric is called****A magnetic material losses its ferromagnetic properties at a point called****What is the maximum number of electrons that can be accommodated in the last orbit of an atom?****A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in****Which of the following statements is TRUE?****When a conductor is stationary and the magnetic field is moving or changing the emf induced is called****The resistivity of a conductor ___________ with an increase in temperature.****The greater percentage of materials is _________.****A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…****Paramagnetic substance has a relative permeability of****A current if flowing east along a power line. If the earth's field is neglecteda the direction of the…****One oersted (Oe) is equivalent to _____ Gb/cm.****What determines the atomic number of an element?****If the value of 25 of a conductor is 1/230 per oCa then the value of 0is**