Question

What does the number, or density, of field lines on a source charge indicate?
A. direction of charge on the source charge
B. amount of charge on the test charge
C. amount of charge on the source charge
D. direction of charge on the test charge

Answer 1

Amount of charge on the source charge

Answer 2

C amount of charge on the source charge. The more crowded the field lines or the more density of electric field the higher is the magnitude of the source charge.