positive

zero

negative

infinite

**Electric lines of force leave or enter the charge surface at an angle of****The physical motion resulting from the forces of magnetic fields is called****The ability of a material to conduct magnetic flux through it.****A magnetic pole produces 5000 field lines. How much is the flux in webers? A. 50 × 10^-6****What is the reluctance of a magnetic path having a length of 2x 10^-3m and crosssectional area of 2.5…****One coulomb of charge consists of ________ electrons.****If the number of valence electrons of an atom is more than 4a the substance is called****Amorphous solid is also called****The total number of magnetic lines of force in a magnetic field is called****At/m is a unit of****Which element has four valence electrons?****The force between two magnetic poles is _____ their poles strength.****How many turns are needed to produce a magnetomotive force of 1000 A.t for a coil with 6 amperes?****A theorem which states that an electric current flowing in a circuit produces a magnetic field at external…****Lenz's law is the consequence of the law of conservation of****The customary energy unit in atomic and nuclear physics is****The electric potential across part AB of a circuit is 5 V; point A being at higher potential. If a charge…****The branch of Engineering which deals with the magnetic effect of electric current is known as****Magnetic intensity is a****The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force…****______ is an electromagnet with its core in the form of a close magnetic ring.****A magnetic flux of 2.5 x10^4 Wb through an area of 5 x10^4 square meters results in****Whenever a conductor cuts magnetic fluxa an emf is induced in it. This is known as****Temporary magnets are commonly employed in****What is the SI unit of specific resistance or resistivity?****Ohm's law cannot be applied to which material?****The quantity 10^6 maxwells is equivalent to one****One electron volt (1 eV) is equivalent to _____ joules****What is the cgs unit of magnetomotive force?****If the number of valence electrons of an atom is exactly 4a then the substance is called**