A) \[0.33\,A\]
B) \[0.5\,A\]
C) \[0.67\,A\]
D) \[0.17\,A\]
Correct Answer: B
Solution :
From the circuit diagram, \[\frac{10}{20}=\frac{5}{10}\]
So, it is a balanced Wheatstone bridge. \[\Rightarrow \] \[{{R}_{eq}}=\frac{30\times 15}{45}=10\Omega \] \[\therefore \] \[i=\frac{5}{10}=\frac{1}{2}A.\]
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