An electric arc between two nails. An electric arc or arc discharge is an electrical breakdown of a gas that produces an ongoing plasma discharge, resulting from a current through normally nonconductive media such as air.n electric arc differs from a glow discharge in that the current density is quite high, and the voltage drop within the arc is low; at the cathode, the current density can be as high as one megaampere per square centimeter. An electric arc has a non-linear relationship between current and voltage.
According to The Bureau of Labor Statistics, the states hiring the most ultrasound techs, in relation to overall population, were as follows in 2008: 1  Florida. 2  Connecticut. 3  New Jersey. 4  Alabama. Tennessee.
One of the most important things, though, is the accreditation of the program or institution. The following ultrasound technician schools in Virginia have all been accredited in diagnostic medical sonography by the Commission on Accreditation of Allied Health Education Programs (CAAHEP), as of March, 2015:Northern Virginia Community College â Springfield, VA. Website: www.nvcc.edu.ne of the most important things, though, is the accreditation of the program or institution. The following ultrasound technician schools in Virginia have all been accredited in diagnostic medical sonography by the Commission on Accreditation of Allied Health Education Programs (CAAHEP), as of March, 2015: