Current Electricity

Related Questions

• Masses of three wires of copper are in the ratio of $1 : 3 : 5$ and their lengths are in the ratio of 5:3:1. The ratio of their electrical resistances are

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• The resistance of a conductor is 5 ohm at $50^oC$ and 6 ohm at $100^oC$. Its resistance at $0^oC$ is

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• Two heating coils, one of fine wire and the other of thick wire of the same material and of the same length are connected in series and in parallel. Which of the following statement is correct

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• In an electrolyte $3.2 \times {10^{18}}$ bivalent positive ions drift to the right per second while $3.6 \times {10^{18}}$ monovalent negative ions drift to the left per second. Then the current is

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• Which of the following is not equal to watt

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