Principles of Physics 11th ISV Edition · Induction and Inductance · Problem 1
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Walker, Halliday & Resnick — Induction and Inductance: Problem 1
1 In Fig. 30-21, a metal rod is forced to move with constant velocity $\vec{v}$ along two parallel metal rails, connected with a strip of metal at one end. A magnetic field of magnitude $B = 0.125 \text{ T}$ points out of the page. (a) If the rails are separated by $L = 25.0 \text{ cm}$ and the speed of the rod is $38.0 \text{ cm/s}$, what emf is generated? (b) If the rod has a resistance of $18.0 \text{ \Omega}$ and the rails and connector have negligible resistance, what is the current in the rod? (c) At what rate is energy being transferred to thermal energy? (d) What is the magnitude of the leftward force that causes the rod to move?
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주어진 조건: 1 In, 21, a, . A
구하는 것: (a) If the rails are separated by $L = 25; (b) If the rod has a resistance of $18; (c) At what rate is energy being transferred to thermal energy?
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Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Induction and Inductance