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A coil has an inductance of 0.15 H and a resistance of . The coil is connected to a 6.0 V battery. After a long time elapses, the current in the coil is no longer changing. (a) What is the current in the coil? (b) What is the energy stored in the coil? (c) What is the rate of energy dissipation in the coil? (d) What is the induced emf in the coil?
Imagine a society that produces military goods and consumer goods, which we’ll call “guns” and “butter.” a. Draw a production possibilities frontier for guns and butter. Using the concept of opportunity cost, explain why it most likely has a bowed-out shape. b. Show a point that is impossible for the economy to achieve. Show a point that is feasible but inefficient. c. Imagine that the society has two political parties, called the Hawks (who want a strong military) and the Doves (who want a smaller military). Show a point on your production possibilities frontier that the Hawks might choose and a point that the Doves might choose. d. Imagine that an aggressive neighboring country reduces the size of its military. As a result, both the Hawks and the Doves reduce their desired production of guns by the same amount. Which party would get the bigger “peace dividend,” measured by the increase in butter production? Explain.
Inductance of coil
Resistance of coil
Solving question when current is half of its maximum value.
Rate at which energy is stored in the inductor.
Rate at which energy is dissipated.
Total power supplied by the battery.
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