1 He 2  ... spectrum-spectrum spectrum, arrangement or display of light or other form of radiation separated according 3  ... atomic mass-atomic mass atomic mass, the mass of a single atom, usually expressed in atomic mass units (amu). ...he radius of this path depends upon the mass of the particles (all other factors, such as velocity and charge, being equal). Thus, if in the original stream isotopes of various masses are present, the position of the blackened spots on the plate makes possible a calculation of the isotope masses.
Almost all electrical appliances come for a standard voltage. Depending where you live, this is usually about 110 volts in some areas, and about 220 volts in other areas. You can take a look at a specific appliance; there is usually a metallic sticker that has the electrical specifications.
An electrical oven in the U.S. is a heavy-duty electrical device that runs on 220 volts of AC power. Modern stoves require a dedicated 220-volt electrical circuit with four wires that run from the electrical panel to the 220-volt outlet. The circuit has two 110-volt wires, a neutral wire and a grounding wire.Wiring a 220-volt electrical line for an oven is not a complicated job, but it is one that requires training, experience and knowledge of existing electrical codes.odern stoves require a dedicated 220-volt electrical circuit with four wires that run from the electrical panel to the 220-volt outlet. The circuit has two 110-volt wires, a neutral wire and a grounding wire.