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MCQs: Out of the following which is an insulating material____________?
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MCQs: The property of a conductor due to which it passes current is called___________?
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MCQs: Conductance is reciprocal of____________?
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MCQs: The resistance of a conductor varies inversely as___________?
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MCQs: With rise in temperature the resistance of pure metals______________?
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MCQs: With rise in temperature the resistance of semi-conductors_________________?
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MCQs: The resistance of a copper wire 200 m long is 21 Q. If its thickness (diameter) is 0.44 mm, its specific resistance is around_______________?
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MCQs: An instrument which detects electric current is known as_____________?
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MCQs: In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is
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MCQs: A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is___________?
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MCQs: 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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MCQs: Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 25 Q. If the same four wires are connected is series the effective resistance will be________?
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MCQs: 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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MCQs: Current velocity through a copper conductor is___________?
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MCQs: Which of the following material has nearly zero temperature co-efficient of resistance_________?
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MCQs: 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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MCQs: Two resistors are said to be connected in series when___________?
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MCQs: Which of the following statement is true both for a series and a parallel D. C. circuit?
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MCQs: Which of the following materials has a negative temperature co-efficient of resistance?
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MCQs: Ohm’s law is not applicable to____________?
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