If a charge is moved against the coulomb force of an electric field.
A. work is done by the electric field
B. energy is used from some outside source
C. the strength of the field is decreased
D. the energy of the system is decreased
Answer:B
If a charge is moved against the coulomb force of an electric field.
A. work is done by the electric field B. energy is used from some outside source C. the strength of the field is decreased D. the energy of the system is decreased