Question
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?
Multiple select question.
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A)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.
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B)
Bring a pith ball that has a positive charge near the object. If the ball is repelled, the object has a positive charge.
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C)
Bring a pith ball that has a negative charge near the object. If the ball is attracted, the object has a positive charge.
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D)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object is electrically neutral.
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E)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.
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F)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object has a negative charge.
Multiple select question.
cross out
A)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.
cross out
B)
Bring a pith ball that has a positive charge near the object. If the ball is repelled, the object has a positive charge.
cross out
C)
Bring a pith ball that has a negative charge near the object. If the ball is attracted, the object has a positive charge.
cross out
D)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object is electrically neutral.
cross out
E)
Bring a pith ball that has a negative charge near the object. If the ball is repelled, the object is electrically neutral.
cross out
F)
Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object has a negative charge.
Answers
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Answered by
GPT-4o mini
To determine whether an object has a positive charge, a negative charge, or is electrically neutral, the student can follow these procedures and interpret the expected results. The correct statements from the options provided are:
**C) Bring a pith ball that has a negative charge near the object. If the ball is attracted, the object has a positive charge.**
**F) Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object has a negative charge.**
**Explanation:**
1. Like charges repel, and opposite charges attract. Therefore:
- If a negatively charged pith ball is attracted to the object, the object must have a positive charge.
- Conversely, if a positively charged pith ball is attracted to the object, the object must have a negative charge.
The other statements (A, B, D, E) are incorrect as they either misinterpret the nature of electric charge interactions or incorrectly predict the expected results.
**C) Bring a pith ball that has a negative charge near the object. If the ball is attracted, the object has a positive charge.**
**F) Bring a pith ball that has a positive charge near the object. If the ball is attracted, the object has a negative charge.**
**Explanation:**
1. Like charges repel, and opposite charges attract. Therefore:
- If a negatively charged pith ball is attracted to the object, the object must have a positive charge.
- Conversely, if a positively charged pith ball is attracted to the object, the object must have a negative charge.
The other statements (A, B, D, E) are incorrect as they either misinterpret the nature of electric charge interactions or incorrectly predict the expected results.
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