Use your measured values from part E to calculate the strength of the Earth's magnetic field, disregarding any uncertainties for now (we'll calculate uncertainties in the next question). Lab manual subpart it corresponds to E2: number of wires E2: current (power supply reading) E9: angle measurement E10: center to center distance between the bundle of wires and compass E10: length of compass needle E10: width of the bundle of wires data 6 1.98 +0.02A 45° 5° 7.0 cm 4.0 cm 0.9 cm