When a solid body is negatively charged by friction, it means that the body has
A. acquired excess of electrons
B. lost some, problems
C. acquired some electrons and lost a lesser number of protons
D. lost some positive ions
Answer:A
When a solid body is negatively charged by friction, it means that the body has
A. acquired excess of electrons B. lost some, problems C. acquired some electrons and lost a lesser number of protons D. lost some positive ions