A student plans an investigation to determine whether an object has a positive charge, a negative charge, or is electrically neutral. Which statements describe procedures and the expected results that the student should follow? A)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.

B)
Bring a pith ball that has a positive charge near the object. If the ball is repelled, the object has a positive charge.

C)
Bring a pith ball that has a negative charge near the object. If the ball is attracted, the object has a positive charge.

D)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object is electrically neutral.

E)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.

F)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object has a negative charge.