Ch 27: Sources of Magnetic FieldWorksheetSee all chapters
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Ch 01: Units & Vectors
Ch 02: 1D Motion (Kinematics)
Ch 03: 2D Motion (Projectile Motion)
Ch 04: Intro to Forces (Dynamics)
Ch 05: Friction, Inclines, Systems
Ch 06: Centripetal Forces & Gravitation
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Ch 22: Electric Force & Field; Gauss' Law
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Ch 25: Resistors & DC Circuits
Ch 26: Magnetic Fields and Forces
Ch 27: Sources of Magnetic Field
Ch 28: Induction and Inductance
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Ch 32: Wave Optics
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Ch 38: Quantum Mechanics

Solution: Four long parallel wires each carry 10.0 A of current in the direction shown. The wires are at the corners of a square that is 10.0 cm on a side. What is the magnetic field at the center of the four w

Problem

Four long parallel wires each carry 10.0 A of current in the direction shown. The wires are at the corners of a square that is 10.0 cm on a side. What is the magnetic field at the center of the four wires?

A. 0

B. 1.13 x 10-4 T

C. 5.66 x 10-5 T

D. 8.00 x 10-5 T

E. 2.00 x 10-5 T