You observe that a negatively charged plastic pen repels a charged piece of magi

Question

You observe that a negatively charged plastic pen repels a charged piece of magic tape. You then observe that the same piece of tape is repelled when brought near a metal sphere. You are wearing rubber soled shoes, and you touch the metal with your hand, After you touch the metal sphere, you observe that the tape attracted to the metal sphere. Which of the following statements could be true? check all that apply Electrons from the sphere moved into the salt water on your skin, where they reacted with sodium ions. sodium ions from the salt water on your hand moved onto the sphere Electrons from your hand moved onto the sphere. Electrons from the sphere traveled through your body into the Earth. After you touched it, the metal sphere was very nearly neutral Chloride lons from the salt water on your hand moved on to the sphere. the excess negative charge from the sphere spread out all ever your body.

Explanation / Answer

Here ,

initially as tape is repelled by negative charged , it is also negative charged

and also , the metal sphere is intially negtaive charged

after touching , metal sphere will be positively charged

for the true statements

electrons from the sphere moved into the salt water on your skin , where they reacted with sodium ions

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after you tocuhed it , the metal sphere was very nearly neutral

the excess negative charge from the sphere spread put all over your body

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