Related Questions
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One ampere- turn is equivalent to _____ gilberts
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A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing the induction.
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The force between two magnetic poles is _______ their pole strengths.
A. directly proportional to
C. inversely proportional to
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An effect which is generally used in the gausameter to measure flux density.
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A substance that attracts pieces iron
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The lagging effect between flux density of the material and the magne
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The branch of Engineering which deals with the magnetic effect of electric current is known as
C. Electrical engineering
D. Electronics engineering
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Bonding of atoms that is due to the force of attraction between positive ions and a group of negative ions
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A negatively charge body has
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A magnetizing force of 1000 AT/m will produce a flux density of __________ i
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If the number of valence electrons of an atom is more than 4a the substance is called
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The simplest type of atom to exist is the ______ atom.
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Which of the following has the highest permeability?
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The force between two magnetic poles varies with the distance between them. The variation is ______ to the square of that distance.
D. Inversely proportional
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Which of the following has the least number of valence electrons?
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What is the cgs unit of magnetomotive force?
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The unit of flux is _____ in cgs system.
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The K shell or the first shell has how many permissible number of orbiting electrons?
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The dielectric constant of most materials lies between
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Who discovered that a current-carrying conductor would move when placed in a magnetic field?
C. Hans Christian Oersted
D. Gustav Robert Kirchhoff
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The amount of magnetizing force to counter balance the resid magnetic material is referred to as
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What type of bond is formed when there exists some form of collective interactions between the (negatively charged) electrons and (positively charged) nuclei in a solid?
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One of the common application of an air- cored choke.
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Which of the following materials has the least hysteresis loop area?
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A positively charged body has
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The mass of proton is __________ the mass of an electron.
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An alloy of 40 percent iron and 60 percent nickel.
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The net electrical charge in an isolated system remains constant. This is known as
A. Law of conservation of charge
D. Law of conservation of energy
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The unit of flux density is
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If the magnetic material is located within a coil through which alternating current (60 Hz frequency) flowsa then __________ hysteresis loops will be formed