The circuit shown contains a 12 , V battery,a | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) In the given circuit,the battery provides a potential difference of $12 \, V$. Diode $D_1$ is connected in reverse bias relative to the positive t

Vedclass · Accepted Answer

$2$

Vedclass · Answer

(B) In the given circuit,the battery provides a potential difference of $12 \, V$. Diode $D_1$ is connected in reverse bias relative to the positive terminal of the battery,so it acts as an open circuit (no current flows through the $3 \, \Omega$ branch). Diode $D_2$ is connected in forward bias,so it acts as a short circuit (ideal diode). Therefore,the total resistance of the circuit is the sum of the $4 \, \Omega$ resistor and the $2 \, \Omega$ resistor in the active branch: $R_{eq} = 4 \, \Omega + 2 \, \Omega = 6 \, \Omega$. Using Ohm's law,the current $I$ is given by $I = \frac{V}{R_{eq}} = \frac{12 \, V}{6 \, \Omega} = 2 \, A$.

Similar Questions

Which of the following statements is not correct when a junction diode is in forward bias?

$A$ $P-N$ junction is a ............ .

In the given circuits,which diode is in forward bias?

On which of the following does the barrier potential of a $P-N$ junction diode $NOT$ depend?

Find the current through the $1\,\Omega$ resistance in the given circuit.

Vedclass Test Series

Exam Paper Generator

Online Exam Module