Question

Two electronics technicians are discussing the electric series. Technician A says that if you rub a piece of glass with a piece of wool cloth, the glass will receive a negative charge. Technician B says that if you rub a piece of aluminum with a piece of flannel, the aluminum will receive a negative charge. Which of the following statements is correct?

A. Only Technician A is correct.
B. Neither of the two technicians is correct.
C. Only Technician B is correct.
D. Both Technician A and Technician B are correct.

Two electronics technicians are discussing conductors and insulators. Technician A says that conductors have more free electrons than insulators. Technician B says that insulators have lower resistance than conductors. Which of the following statements is correct?

A. Only Technician B is correct.
B. Both Technician A and Technician B are correct.
C. Neither of the two technicians is correct.
D. Only Technician A is correct.

Answer 1

These are the following answers to the questions:
(1) B. Neither of the two technicians is correct.
Technician A says that if you rub a piece of glass with a piece of wool cloth, the glass will receive a negative charge.
Technician B says that if you rub a piece of aluminum with a piece of flannel, the aluminum will receive a negative charge.

(2) D. Only Technician A is correct.Technician A says that conductors have more free electrons than insulators. TRUE.
Technician B says that insulators have lower resistance than conductors. FALSE.