The two wires of a high-voltage transmission line are carrying 600A at 400,000V
ID: 1372731 • Letter: T
Question
The two wires of a high-voltage transmission line are carrying 600A at 400,000V to and from a city. The power is transferred to low voltage (120V) circuits before it is delivered to the homes. How much total current is passing through the homes of the city in MA (1 MA = 106 Ampere)?
Enter an integer.
The two wires of a high-voltage transmission line are carrying 600A at 400,000V to and from a city. The power is transferred to low voltage (120V) circuits before it is delivered to the homes. How much total current is passing through the homes of the city in MA (1 MA = 106 Ampere)?
Enter an integer.
Explanation / Answer
power=600*400000=240000000w
now current supplied to thehomes=P/V=240000000/120=2000000 A = 2 MA
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