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Earn 100

Ohm's Law is applicable to
(a)Diode
(b)Transistor
(c)Electrolyte
(d)Conductor

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Important Questions on Current Electricity
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graphs for two different electrical appliances and are shown in the diagram. If and be the resistances of the devices, then

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IMPORTANT
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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characteristic of a copper wire of length and area of cross-section 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 and for the following network is

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Five identical resistors each of resistance are connected to a battery as shown in the circuit. The reading of the ideal ammeter is

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IMPORTANT
In the given circuit, the current through resistor is
