PHYS 121 Midterm: PHYS 121 UW Exam 3 Solution
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Msun = 1. 99 x 1030 kg rearth = 6. 38 x 103 km rsun = 6. 96 x 105 km dsun-earth = 149. 6 x 106 km g = 9. 8m/s2. 0 = 4 x 10-7 tm/a me = 9. 11 x 10-31 kg qe = 1. 6 x 10-19 c. [xx points] consider the solenoid within a solenoid, show at right. The outer solenoid is hooked to a current source, which can supply a current, iouter. The current flows out of the page at the top of the solenoid and into the page at the bottom, as indicated. The outer solenoid has 200 windings, and the inner one 150 windings. The outer coil is 2 m long; the inner coil is 1 m long. The ends of the inner coil are joined by a resistor of. The outer coil has a radius of r2 = 10 cm, the inner coil a radius of r1 = 5 cm.
