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Ohm's Law is applicable to

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Important Questions on Current Electricity

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I - V graphs for two different electrical appliances P and Q are shown in the diagram. If RP and RQ be the resistances of the devices, then

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Though the electron drift velocity is small and electron charge is very small, a conductor can carry an appreciably large current because
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I-V characteristic of a copper wire of length L and area of cross-section A is shown in figure. The slope of the curve becomes

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The conductivity of semiconductor increases with increase in temperature because
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Kirchhoff's junction rule is a reflection of
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The effective resistance between P and Q for the following network is

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Five identical resistors each of resistance R=1500 Ω are connected to a 300 V battery as shown in the circuit. The reading of the ideal ammeter A is

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In the given circuit, the current through 2 Ω resistor is

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