Assuming in forward bias condition there is a voltage drop of 0.7 V across a silicon diode, the current through diode $D_{1}$ in the circuit is ______ mA.

(Assume all diodes in the given circuit are identical) [2026]

Question

Assuming in forward bias condition there is a voltage drop of 0.7 V across a silicon diode, the current through diode $D_{1}$ in the circuit is ______ mA.

(Assume all diodes in the given circuit are identical) [2026]

Smart Achievers · Accepted Answer

(1)

$12 - 0.3 \times 10^{3} I - 0.7 = 0$

$\frac{11.3}{0.3 \times 10^{3}} = I$

$37.66 \times 10^{- 3} A = I$

$Current through diode D_{1}, I_{1} = \frac{I}{2}$

$I_{1} = 18.83 mA$

Solution

Q.
Assuming in forward bias condition there is a voltage drop of 0.7 V across a silicon diode, the current through diode $D_{1}$ in the circuit is ______ mA.

(Assume all diodes in the given circuit are identical) [2026]

1 18.8

2 17.6

3 20.15

4 11.7

Ans.
(1)

$12 - 0.3 \times 10^{3} I - 0.7 = 0$

$\frac{11.3}{0.3 \times 10^{3}} = I$

$37.66 \times 10^{- 3} A = I$

$Current through diode D_{1}, I_{1} = \frac{I}{2}$

$I_{1} = 18.83 mA$

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