Current Electricity

Related Questions

• The figure shows a network of currents. The magnitude of currents is shown here. The current I will be

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• Two sources of equal emf are connected to an external resistance R. The internal resistances of the two sources are ${R_1}$ and ${R_2}\,({R_2} > {R_1})$. If the potential difference across the source having internal resistance ${R_2}$ is zero, then

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• In the circuit shown $P \ne R$, the reading of the galvanometer is same with switch S open or closed. Then

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• Match the List I with the List II from the combination shown. In the left side (List I) there are four different conditions and in the right side (List II), there are ratios of heat produced in each resistance for each condition :

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• A cell of internal resistance 3 ohm and emf 10 volt is connected to a uniform wire of length 500 cm and resistance 3 ohm. The potential gradient in the wire is

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