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The Law of Biot-Savart Is
A) dB=(μ0/4π)I dl×r2\mathrm { d } \mathbf { B } = - \left( \mu _ { 0 } / 4 \pi \right) I \mathrm {~d} \mathbf { l } \times \mathbf { r } ^ { 2 }

Question 42

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The Law of Biot-Savart is


A) dB=(μ0/4π) I dl×r2\mathrm { d } \mathbf { B } = - \left( \mu _ { 0 } / 4 \pi \right) I \mathrm {~d} \mathbf { l } \times \mathbf { r } ^ { 2 }
B) dB=(μ0/4π) I dl×r\mathrm { d } \mathbf { B } = - \left( \mu _ { 0 } / 4 \pi \right) I \mathrm {~d} \mathbf { l } \times \mathbf { r }
C) dB=(μ0/4π) I dl×r3\mathrm { d } \mathbf { B } = \left( \mu _ { 0 } / 4 \pi \right) I \mathrm {~d} \mathbf { l } \times \mathbf { r } ^ { 3 }
D) dB=(μ0/4π) I dl×r2\mathrm { d } \mathbf { B } = \left( \mu _ { 0 } / 4 \pi \right) I \mathrm {~d} \mathbf { l } \times \mathbf { r } ^ { 2 }

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