A) 19.2 W
B) 19.2 kW
C) 19.2 J
D) 12.2 Kw
Correct Answer: B
Solution :
| [b] Potential difference (drop) between two cities |
| \[=150\,\times 8\,=1200\,V\] |
| Average resistance of total wire \[=0.5\times 150\] |
| \[=75\Omega \] |
| Power loss \[P=\frac{{{V}^{2}}}{R}=\frac{1200\times 1200}{75}=19200W\] |
| \[=19.2kW\] |
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