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Using Ampere's Law to model the magnetic field strength of a current carrying wire is an approximation that assumes L> >r. Based on the %

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Using Ampere's Law to model the magnetic field strength of a current carrying wire is an approximation that assumes L> >r. Based on the % Error calculated in the previous question, how might you estimate the length of the wire from the results in Part C? Hint: Divide the equation for the Biot-Savart Law (By-s) by the equation for Ampere's Law ( BAmp) and set result equal to ( 1 _ 2 Error) 100 Example: If r=0.050m and % Error=3.0% then the ratio would be: 28-5 = 0.97. BAmp Simplifying the left side of the equality then solving for L, the length of the straight wire would need to be 0.410m. a. Calculate the resulting equation for the ratio of the Biot-Savart Law to Ampere's Law then solve for L in terms of r. b. Use the expression in (a) to estimate the minimum length of the wire in the simulation. C. List three things you learned from this experiment

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