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How much current must flow through a long straight wire for the magnetic field strength to be 1.0 mT at 2.0 cm from a wire? (40-4xx 10-7 T m/A) A. 9.2 A B. 16 A C. 50 mA D. 100 A

How much current must flow through a long straight wire for the magnetic field strength to be 1.0 mT at 2.0 cm from a wire? (40-4xx 10-7 T m/A) A. 9.2 A B. 16 A C. 50 mA D. 100 A

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**Question 12:** How much current must flow through a long straight wire for the magnetic field strength to be 1.0 mT at 2.0 cm from a wire? \((\mu_0 = 4\pi \times 10^{-7} \, \text{T} \cdot \text{m/A})\) **Options:** A. 9.2 A B. 16 A C. 50 mA D. 100 A (Note: This is a question related to calculating the current needed in a wire to produce a specified magnetic field at a given distance, using the formula for the magnetic field around a long straight current-carrying wire.)
Transcribed Image Text:**Question 12:** How much current must flow through a long straight wire for the magnetic field strength to be 1.0 mT at 2.0 cm from a wire? \((\mu_0 = 4\pi \times 10^{-7} \, \text{T} \cdot \text{m/A})\) **Options:** A. 9.2 A B. 16 A C. 50 mA D. 100 A (Note: This is a question related to calculating the current needed in a wire to produce a specified magnetic field at a given distance, using the formula for the magnetic field around a long straight current-carrying wire.)
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