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An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the lengths and radii of the wires are in the ratio of 43 and 23, then the ratio of the current passing through the wires will be:

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Important Questions on Current Electricity

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The current I drawn from the 5 volt source will be

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In a Wheatstone bridge, resistances P, Q and R are connected in the three arms and the fourth arm is formed by two resistances S1 and S2 connected in parallel. The condition for the bridge to be balanced will be
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For a cell the terminal potential difference is 2.2 V when circuit is open and reduces to 1.8 V when cell is connected to a resistance R=5Ω, the internal resistance (r) of cell is:
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Resistances n, each of r ohms, when connected in parallel give an equivalent resistance of R ohms. If these resistances were connected in series, the combination would have resistance in ohms, equal to:
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Five equal resistances each of resistance R are connected as shown in the figure. A battery of V volts is connected between A and B. The current flowing in FC will be:

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For the network shown in the figure, the value of the current i is :

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In the circuit shown, if a conducting wire is connected between points A and B, the current in this wire will 

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Power dissipated across the 8 Ω resistor in the circuit shown here is 2 watt . The power dissipated in watt units across the 3 Ω resistor is 

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