Physics, 05.05.2020 15:52, naomijefferson22
Initially, the switch is open, and the capacitor has a charge q0. The switch is then closed, and the changes in the system are observed. It turns out that the equation describing the subsequent changes in charge, current, and voltage is very similar to that of simple harmonic motion, studied in mechanics. To obtain this equation, we will use the law of conservation of energy. Initially, the entire energy of the system is stored in the capacitor. When the circuit is closed, the capacitor begins to discharge through the inductor. As the charge of the capacitor decreases, so does its energy. On the other hand, as the current through the inductor increases, so does the energy stored in the inductor. Assuming no heat loss and no emission of electromagnetic waves, energy is conserved, and at any point in time, the sum of the energy stored in the capacitor UC and the energy stored in the inductor UL is a constant U: U
Answers: 2
Physics, 22.06.2019 03:50, am2garcia5
A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
Answers: 3
Initially, the switch is open, and the capacitor has a charge q0. The switch is then closed, and the...
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