A) 12 A
B) 14 A
C) 8 A
D) 10 A
Correct Answer: A
Solution :
[a] \[\frac{1}{{{\operatorname{R}}_{eq}}}=\frac{1}{{{\operatorname{R}}_{1}}}+\frac{1}{{{\operatorname{R}}_{2}}}\] |
\[P=\frac{{{V}^{2}}}{{{\operatorname{R}}_{eq}}}=\frac{{{V}^{2}}}{{{\operatorname{R}}_{1}}}+\frac{{{V}^{2}}}{{{\operatorname{R}}_{2}}}+.......\] |
\[=15\times 40+5\times 100+80\times 5+1\times 1000=2500w\] |
\[P=VI\] |
\[P=2500=220I\] |
\[I=\frac{250}{22}=\frac{125}{11}\] |
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