ANSWER ASAP What causes magnetic domains

A. Magnetic fields of atoms aligning

B. Electricity moving through iron

C. Iron being placed near a magnet

D. Magnetic poles magnets attracting each other

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions