Exercice 52 : Loi d'Ohm aux bornes de trois dipôles Les caractéristiques tension-intensité des trois dipôles (conducteur ohmique,
ne générateur et récepteur), ont pour équations :
, I = U, et I = 3–6U
U = 6-
2
5
a- à quel genre de dipôle chaque équation correspond-elle ?
b-Déterminer les caractéristiques de chaque dipôle.​

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario