Two electronics technicians are discussing electronic components. technician a says that electronic components are color-coded to indicate their electrical values. technician b says that electronic components are color-coded to indicate their power ratings. which of the following statements

Two electronics students are discussing static electricity. Student A says that a basic property of static electricity is the fact that it can't be detected. Student B says that an electric current results when electrons move in a conductor. Which of the following statements is correct? 
B. Only Student B is correct. 

Hey i m confused bw c and d. but i think u can go for c