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JEE PYQ: Current Electricity Question 35

Question 35 - 2020 (09 Jan 2020 Shift 2)

The current $i$ in the network is:

(1) 0.2 A

(2) 0.6 A

(3) 0.3 A

(4) 0 A

Show Answer

Answer: (3)

Solution

Both diodes are reverse biased, so no current flows through $5,\Omega$ and $20,\Omega$. Two resistors of $10,\Omega$ and two of $5,\Omega$ are in series. $I = \frac{V}{R_{\text{eq}}} = \frac{9}{10+5+10+5} = \frac{9}{30} = 0.3$ A.


Learning Progress: Step 35 of 76 in this series