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When a silicon $\mathrm{PN}$ junction is in forward biased condition with series resistance, it has knee voltage of $\mathrm{0.6\ V}$ . Current flow in it is $\mathrm{5\ mA}$ , when PN junction is connected with $\mathrm{2.6\ V}$ battery, the value of series resistance is
Option: 1
$\mathrm{100\ \Omega}$

Option: 2
$\mathrm{200\ \Omega}$

Option: 3
$\mathrm{400\ \Omega}$

Option: 4
$500\ \Omega$

Answers (1)

best_answer

$\mathrm{R=\frac{(2.6-0.6)}{5 \times 10^{-3}}=400\ \Omega}$

Posted by

avinash.dongre

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