a student is desging an investigation of the distributation of charges in conducters. she will use two conducting spheres mounted on insulating stands in the investigation. the conducting spheres are shown. the student wants to seperate the charges of the spheres as shown. what should the student do in her investigatoin to produce these results
She should place a negatively charged rod near the left sphere.
She should place a positively charged rod near the left sphere.
She should place two negatively charged rods near each sphere.
She should place two positively charged rods near each sphere.