MCQs: All materials contain
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MCQs: A very large unit of electric energy is needed which is called
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MCQs: One kilowatt-hour is equal to
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MCQs: In parallel combination the voltage passing through each resistor is
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MCQs: Diamond does not conduct electricity because it has
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MCQs: The resistance of a wire depends upon
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MCQs: If a light bulb is switched on for 20 s and it consumes 2400 J of electrical energy then it's power is
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MCQs: The unidirectional current is called
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MCQs: As compare to thin wires, thick wires have
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MCQs: A 50 W television and 3 kW oven are connected to a 300 V supply. The resistance of each appliance is respectively
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MCQs: To pass no current through it, an ideal voltmeter should have
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MCQs: Current due to the flow of positive charges is called
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MCQs: Resistors are connected end to end in
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MCQs: To pass the maximum current in the circuit, an ideal galvanometer should have
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MCQs: In metals, the current is produced due to the flow of
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MCQs: The time interval after which the alternative current voltage or current repeats its value is called its
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MCQs: The agency which provides the potential difference for the steady flow of current in the copper wire is the
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MCQs: Materials having a resistance that changes with voltage or current are called
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MCQs: A resistor having resistance 6.2Ω is connected across a battery of 5 V using a wire of negotiable resistance. Current passes through the resistor are 0.4 A. The power dissipated in the resistor is
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MCQs: A thermistor is used in a circuit that senses
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