194CHAPTER 20 (c) ()()()()()()()()()()12007423-2-2410TmA12 5002.71 A1.0010m1.5210V27.0010m2.0010s2BnIAB ANI Attttµµπ−−−∆∆∆∆Φ=∆∆∆⋅ ∆×⋅×==××A==×(d) ()()()38201.5210V0.051 9 A51.9 mA24.0 coilBcoilcoilcoilNtRRIε−×∆Φ∆===Ω==20.54(a) Doubling the number of turns doubles the amplitude but does not alter the period. (b) Doubling the angular velocity doubles the amplitude and also cuts the period in half. (c) Doubling the angular velocity while reducing the number of turns to one half the
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