Yes it is used , hope this helps
The answer would be B, an electron because the proton is positive, neutron is neutral, and the nucleus is the center of the atom.
200 volts of current will flow through the conductor.
Jamuuj ExpertThe energy of a wave is directly proportional to the square of the waves amplitude. Therefore, E = A² where A is the amplitude. This therefore means when the amplitude of a wave is doubled the energy will be quadrupled, when the amplitude is tripled the energy increases by a nine fold and so on.Thus, in this case if the energy is 4J, then the amplitude will be √4 = 2 .
