An air-filled toroidal solenoid has a mean radius of 15.5 cm and a cross-sectional area of 4.95 cm^2. When the current is 12.5 A, the energy stored is 0.395 J. How many turns does the winding have?

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

In a system, when potential energy decreases, then entropy also decreases. true false