Current Electricity

Related Questions

• Constantan wire is used in making standard resistances because its

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• Dimensions of a block are $1\,cm \times 1\,cm \times 100\,cm$. If specific resistance of its material is $3 \times {10^{ - 7}}ohm - m$, then the resistance between the square faces is

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• The current between B and D in the given figure is

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• If all the resistors shown have the value 2 ohm each, the equivalent resistance over AB is

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• An electric lamp is marked 60 W, 230 V. The cost of 1 kilowatt hour of power is Rs. 1.25. The cost of using this lamp for 8 hours is

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