A mobile phone charger is
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Physics GK · all questionsElectricity and Magnetism
Electricity and Magnetism
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What will be the total resistance of the three 20-Ω coils connected in series?
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AC and DC are the form of?
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Superconductors are substances which
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The best material for the core of a transformer is
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The lamps fitted to illuminate the roads/streets:
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What is the resistance (in Ω) of an electrical component, if a current of 0.1A passes through it on application of 5V of potential difference across it?
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Which of following property of a proton cannot change while it moves freely in magnetic field?
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Ohm's law states the relation between . . . . . . . . and . . . . . . . .
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Which instrument is used to measure electric current?
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Which of the following circuit of elements is used to block DC in an electronic circuit?
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Which of the given below devices converts chemical energy into electrical energy?
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Depending on the electrical conductivity, choose the odd one from the following options.
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How much work is done in moving the charge of 3C across two points with a ptential difference of 11V?
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Mercury is a
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What is the work done to flow a charge of 5C between two points having a potential difference of 15 V?
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When two or more resistors are connected between two identical points, then they are associated with . . . . . . . .
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A 750 W electric iron is used for 8 hours per day. So the energy consumed in one day by iron is ?
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Which of these metals is used to make electrical wires?
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Which of the following is used in oven?
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