a long solenoid with 15 turns per centimeter has a core of annealed iron. when the current is 1.00 a, the magnetic field inside the iron core is 2.46 t. the magnetization m is approximately

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87