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Physics · 2025 · 1 mark
CBSE 2025 · Region 5 · Set 3 · Q5
Four resistors, each of resistance R and a key K are connected as shown in the figure. The equivalent resistance between points A and B when key K is…
Four resistors, each of resistance $\displaystyle \mathrm{R}$ and a key $\displaystyle K$ are connected as shown in the figure. The equivalent resistance between points A and B when key K is open, will be:
Official answer
(D)
$\displaystyle \frac{4 \mathrm{R}}{3}$
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