A) 10 \[\Omega \]
B) 20 \[\Omega \]
C) 30 \[\Omega \]
D) 40\[\Omega \]
Correct Answer: A
Solution :
The given circuit is a balanced wheat stone bridge. So, resistance connected across diagonal will be meaningless. Equivalent resistance of upper arms\[{{R}_{1}}=10+10=20\,\Omega \] \[{{R}_{1}}\]and\[{{R}_{2}}\]are in parallel, so,\[{{R}_{AB}}=\frac{{{R}_{1}}{{R}_{2}}}{{{R}_{1}}+{{R}_{2}}}=\frac{20\,20}{2020}=10\,\Omega \]You need to login to perform this action.
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