Question

Calculate the power loss in an electrical transmission cable 15km long carrying a current of 100A at a potential of 200kV. The resistance per km of the cable is 0.2 ohm. Please answer fast!!!!

Answer 1

Explanation:

total resistance = 15*0.2= 3 ohm

now, p= i^2R=10000*3= 30000w

Answer 2

Answer:

Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation. The interconnected lines which facilitate this movement are known as a transmission network.

Power loss $= I^2 \times R$

$R = 15 \times 0.2 = 3$ ohms

$P = 100^2 \times 3 = 3 \times 10^4$

Watts $= 30 kW$

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