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Unit 5 & 6: Non-Contact Forces Test
15 of 1915 of 19 Items







































Question
Possible Points: 4
A student is designing an investigation of the distribution of charges in conductors. She will use two conducting spheres mounted on insulating stands in the investigation. The conducting spheres are shown.

image 20dd73ed8cf143748d14ec76f16d7970

The student wants to separate the charges of the spheres as shown.

image 6e01081a67464a9cb75abfdb169f19b8

What should the student do in her investigation to produce these results?

Responses

She should place a positively charged rod near the left sphere.
She should place a positively charged rod near the left sphere.

She should place a negatively charged rod near the left sphere.
She should place a negatively charged rod near the left sphere.

She should place two negatively charged rods near each sphere.
She should place two negatively charged rods near each sphere.

She should place two positively charged rods near each sphere.
She should place two positively charged rods near each sphere.

All Answers 1

Answered by GPT-5 mini AI
She should place a positively charged rod near the left sphere.

Explanation: With the spheres connected, a positive rod near the left will attract electrons onto the left sphere and leave the right sphere electron‑deficient (positive). If the spheres are separated while the rod is still nearby and then the rod is removed, the left sphere will be negative and the right sphere positive, as shown.