- #1
Sho Kano
- 372
- 3
Homework Statement
The figure shows a cross section across a diameter of a long cylindrical conductor of radius a = 2.92 cm carrying uniform current 151 A. What is the magnitude of the current's magnetic field at the center of the conductor?
Homework Equations
Biot-Savart's Law
The Attempt at a Solution
B for circular loop = ui/2r
B = ui/2a
B = 0.0032 T
Which is the wrong answer, what happened?