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cwtliew
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Homework Statement
a long straight wire lying along the x-axis carries current I flowing in the +x direction. A second long straight wire lying along the y-axis carries current I/2 in the +y direction.
where is their combined magnetic field zero?
Homework Equations
Ampere's Law/biot-savart law
The Attempt at a Solution
where do i begin??
pls help.thanks.