Conductance is reciprocal of
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The resistance of a conductor varies inversely as
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With rise in temperature the resistance of pure metals
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With rise in temperature the resistance of semi-conductors
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The resistance of a copper wire 200 m long is 21 Ohm. If its thickness (diameter) is 0.44 mm, its specific resistance is around
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An instrument which detects electric current is known as
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The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other ?
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Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 0.25 Q. If the same four wires are connected is series the effective resistance will be
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A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is
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Which of the following material has nearly zero temperature co-efficient of resistance?
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You have to replace 1500 Q resistor in radio. You have no 1500 Q resistor but have several 1000 Q ones which you would connect
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Which of the following statement is true both for a series and a parallel D.C. circuit?
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Which of the following materials has a negative temperature co-efficient of resistance?
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Ohm’s law is not applicable to
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All of the following are equivalent to watt except
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KSEB Sub Engineer Electrical Quiz 2
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