Two long straight wires are parallel and 12 cm apart. They are to carry equal currents such that the magnetic field at a point halfway between them has magnitude 430 μT. (a) Should the currents be in the same or opposite directions? (b) How much current is needed? (a) opposite (b) Number i 6.5 Units A ✰
Two long straight wires are parallel and 12 cm apart. They are to carry equal currents such that the magnetic field at a point halfway between them has magnitude 430 μT. (a) Should the currents be in the same or opposite directions? (b) How much current is needed? (a) opposite (b) Number i 6.5 Units A ✰
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter25: Electromagnetic Induction
Section: Chapter Questions
Problem 48A
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Question
![Two long straight wires are parallel and 12 cm apart.
They are to carry equal currents such that the
magnetic field at a point halfway between them has
magnitude 430 μT. (a) Should the currents be in the
same or opposite directions? (b) How much current is
needed?
(a)
opposite
(b) Number i
6.5
Units
A ✰](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83f79971-d8c7-47c2-a088-4cbb2ca092fe%2Fed4687f5-b662-4b11-87fe-14f92efee90b%2F6wnjvra_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Two long straight wires are parallel and 12 cm apart.
They are to carry equal currents such that the
magnetic field at a point halfway between them has
magnitude 430 μT. (a) Should the currents be in the
same or opposite directions? (b) How much current is
needed?
(a)
opposite
(b) Number i
6.5
Units
A ✰
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