The carbon percentage is least in
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Electrical Engineering Materials
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Addition of 0.3 to 4.5% silicon to iron __________ the electrical resistivity of iron.
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Due to which of the following reasons aluminium does not corrode in atmosphere ?
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In thermocouples which of the following pairs is commonly used ?
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If the resistance of a conductor does not vary in accordance with Ohm’s law it is known as
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Surface resistance of an insulating material is reduced due to the
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Due to which of the following fact, in India, aluminium is replacing copper ?
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Which of the following is an advantage of stranded conductor over equivalent single conductor ?
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The conductivity of a metal is determined by
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Steel wire is used as
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Effect of moisture on the insulating materials is to
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Superconducting metal in super conducting state has relative permeability of
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Which of the following is the poorest conductor of electricity ?
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Which of the following materials is the best conductor of electricity ?
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The conductivity of an extrinsic semiconductor with temperature
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Which of the following are non-conductors of electricity?
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Commonly used conducting materials are
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Is the property of absorbing moisture from atmosphere.
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_______ is an example of piezoelectric material.
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