| When the switch S. in the is closed. then the value of current i will be: |
 |
A) 3 A
B) 5 A
C) 4 A
D) 2 A
Correct Answer: B
Solution :
 |
| Let voltage at C = xv |
| KCL : \[{{i}_{1}}+{{i}_{2}}=i\] |
| \[\frac{20-x}{2}+\frac{10-x}{4}\,=\,\frac{x-0}{2}\] |
| \[\Rightarrow \] \[x=10\]and \[i=5amp\] |
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