Gold-leaf electroscope can be used _______
A. Only to detect the presence of charge
B. To detect the presence of charge as well as its nature (positive or negative)
C. To measure the surface charge density
D. To measure current
Answer:B
Gold-leaf electroscope can be used _______
A. Only to detect the presence of charge B. To detect the presence of charge as well as its nature (positive or negative) C. To measure the surface charge density D. To measure current