Avery long, straight solenoid with a cross-sectional area of 2.40 cm^2 is wound with 93.4 turns of wire per centimeter. starting at t = 0, the current in the solenoid is increasing according to i(t)= ( 0.169 a/s^2 )t^2. a secondary winding of 5 turns encircles the solenoid at its center, such that the secondary winding has the same cross-sectional area as the solenoid. what is the magnitude of the emf induced in the secondary winding at the instant that the current in the solenoid is 3.2 a?

The rearrangement of particles in a physical change. hope this

Because its reliable.   there is no pollution  the chances of a radiation leak is low

stands for electromotive force and it is measured in volts. despite its name, it is not actually the force in the sense of being a "pushing" or "pulling" (not measured in newtons).an equation that relates emf,  ℰ,  to a battery's terminal voltage, v, current, i, and internal resistance, r, is    ℰ = v + irin this case, the emf can be interpreted as a voltage—a difference in electric potential.i would not say that it would be considered an energy. if emf can be defined as the energy/work per a unit charge from a battery or other electric source, then it is not strictly energy.