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Physics: Principles with Applications | 7th Edition | ISBN: 9780321625922 | Authors: Douglas C. Giancoli
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Solved: (II) Suppose a straight 1.00-mm-diameter copper

Chapter 20, Problem 8P

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QUESTION:

(II) Suppose a straight 1.00-mm-diameter copper wire could just “float” horizontally in air because of the force due to the Earth’s magnetic field \(\vec{B}\), which is horizontal, perpendicular to the wire, and of magnitude \(5.0 \times 10^{-5} T\). What current would the wire carry? Does the answer seem feasible? Explain briefly.

Equation transcription

Text transcription:

vec{B}

5.0 times 10^{-5} T

Questions & Answers

QUESTION:

(II) Suppose a straight 1.00-mm-diameter copper wire could just “float” horizontally in air because of the force due to the Earth’s magnetic field \(\vec{B}\), which is horizontal, perpendicular to the wire, and of magnitude \(5.0 \times 10^{-5} T\). What current would the wire carry? Does the answer seem feasible? Explain briefly.

Equation transcription

Text transcription:

vec{B}

5.0 times 10^{-5} T

ANSWER:

Step 1 of 2

The given data of the copper wire, the diameter of wire is, magnetic field is  and. The magnetic force is express as,

                                             

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