Which of the following is a good electrical conductor? plastic concrete wood gold

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

J. j. thomson’s experiment disproved the theory that an atom

Which is an advantage of subdividing science into different areas?