- #1
DottZakapa
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- Homework Statement
- The distance between two parallel long wires, carrying currents equal to i and 3i respectively, is d as shown in the picture. What is the distance from the wire carrying the current i at which the magnetic field is zero
- Relevant Equations
- guess biot-savarat
Homework Statement: The distance between two parallel long wires, carrying currents equal to i and 3i respectively, is d as shown in the picture. What is the distance from the wire carrying the current i at which the magnetic field is zero
Homework Equations: guess biot-savarat
Being two long straight wires i can apply Biot-Savart equation. The currents are flowing in the same direction, hence at some point in between the sum of the two magnetic fields cancels.
My attempt
μ0i/(2πd)=μ03i/(2πd1)
and solve for d.
But does not leads to the correct solution. can't spot the mistake.
Homework Equations: guess biot-savarat
Being two long straight wires i can apply Biot-Savart equation. The currents are flowing in the same direction, hence at some point in between the sum of the two magnetic fields cancels.
My attempt
μ0i/(2πd)=μ03i/(2πd1)
and solve for d.
But does not leads to the correct solution. can't spot the mistake.