Current Electricity

Related Questions

• Lamps used for household lighting are connected in

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• The resistivity of a potentiometer wire is $$ and its area of cross-section is $8 \times {10^{ - 6}}\,{m^2}$. If 0.2 amp current is flowing through the wire, the potential gradient will be

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• If a resistance is connected in parallel with the resistance R in the circuit shown, then possible value of current through R and the possible value of ${R_2}$ will be

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• An infinite sequence of resistance is shown in the figure. The resultant resistance between A and B will be, when ${R_1} = 1\,ohm$ and ${R_2} = 2\,ohm$

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• 10 wires (same length, same area, same material) are connected in parallel and each has $1 \Omega$ resistance, then the equivalent resistance will be

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