A self-induced emf in a solenoid of inductance L changes in time as e m f = e m f0e−kt. Assuming the charge is finite, find the total charge that passes a point in the wire of the solenoid. (Use the following as necessary: ℰ0 for e m f0, k and L.)

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above