Concept explainers
The current required to flow in the suspended copper wire.
Answer to Problem 74GP
The required current flow in the suspended copper wire 79 A.
Explanation of Solution
Given:
Three wires are at
Formula used:
The magnetic force in the wire is calculated as
Calculation:
Both N and P wires will repel the M wire since the direction of the current in the M wire is opposite to the others. The repelling forces will be along the line directly from the wires N and P away from the M wire. Only the vertical components of those forces will be counteracting gravity.
Conclusion:
The required current flow in the suspended copper wire is 79 A.
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