The electric power is supplied through the copper wires from a one city to another city which is 150 km apart. If the terminal voltage and average resistance of per kilometer are 8 volt and 0.5 Ω respectively then the power loss in a wire is :
A. 19.2 W
B. 19.2 kW
C. 19.2 J
D. 12.2 kW
Answer:B
The electric power is supplied through the copper wires from a one city to another city which is 150 km apart. If the terminal voltage and average resistance of per kilometer are 8 volt and 0.5 Ω respectively then the power loss in a wire is :
A. 19.2 W B. 19.2 kW C. 19.2 J D. 12.2 kW