First slide

P-N junction diode

Question

Consider the junction diode as ideal. The value of current flowing through A B is

Easy

A

$10^{- 1} A$
B

$10^{- 3} A$
C

$0 A$
D

$10^{- 2} A$

Solution

Here, the p-n junction diode is forward biased, hence it offers zero resistance.
$∴ I_{A B} = \frac{V_{A} - V_{B}}{R_{A B}} = \frac{4 V - (- 6 V)}{1 k Ω} = \frac{10}{1000} A = 10^{- 2} A$

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