Figure shows a circuit in which three identical diodes are used. Each diode has forward resistance of 20 W and infinite backward resistance. Resistors R1 = R2 = R3 = 50 W. Battery voltage is 6 V. The current through R3 is :

Question:

Figure shows a circuit in which three identical diodes are used. Each diode has forward resistance of $20 \Omega$ and infinite backward resistance. Resistors $\mathrm{R}_{1}=\mathrm{R}_{2}=\mathrm{R}_{3}=50 \Omega$. Battery voltage is $6 \mathrm{~V}$. The current through $\mathrm{R}_{3}$ is :

  1. $50 \mathrm{~mA}$

  2. $100 \mathrm{~mA}$

  3. $60 \mathrm{~mA}$

  4. $25 \mathrm{~mA}$


Correct Option: 1

JEE Main Previous Year 1 Question of JEE Main from Physics Semiconductor Electronics : Materials, Devices and Simple Circuits chapter.
JEE Main Previous Year Online April 22, 2013

Solution:

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