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In the circuit given below, the value of the current is-


(a)
(b)
(c)
(d)

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Important Questions on Semiconductors
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Find the current flowing through the resistor shown in the figure.

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In the circuit shown below, the voltage across the resistor is

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The resistance of a germanium junction diode whose is shown in the figure is

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The circuit shown in the figure contains two diodes each with a forward resistance of and with infinite reverse resistance. If the battery voltage is , find the current through the resistance.

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The barrier potential of a silicon diode is at . Find the barrier potential at and at .

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Two identical - junction may be connected in series with a battery in three ways (figure). The potential drops across the two - junction are equal in-

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