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Two 30.0 m long parallel power linesare 0.188 m apart. One carries 800 Aof current, while the other carries950 A in the opposite direction. Whatis the (+) magnitude of the magneticforce between them?[?] N

User A Friend
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1 Answer

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The magnetic force between two current-carrying wires of length L and separated by a distance of d is expressed as

F = μoI1I2L/2πd

where

μo is the permeability of free space = 4π x 10^- 7

d is the distance apart

I1 and I2 are th current

F is the magnetic force

L is the length of the wire

From the information given,

I1 = 800

I2 = 950

L = 30

By substituting these values into the formula,

F = (4π x 10^- 7)(800)(950)(30)/2π(0.1888)

F =

The d = 0.188magnitude of the magneticforce bet is ween them

User Alan Baljeu
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