What happens when charged glass rod is brought near a charged plastic straw after being rubbed with silk?

Repulsion is observed.

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Attraction is observed.

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No reaction is observed.

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None of the above is observed.

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Solution

The correct option is C Attraction is observed.
When rubbed with silk, glass acquire positive charge. So, the glass rod become positive. The plastic straw, after being rubbed by silk, get negative charged . So both glass and plastic being opposite charges will atrract each other.

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What happens when charged glass rod is brought near a charged plastic straw after being rubbed with silk?

The correct option is C Attraction is observed.When rubbed with silk, glass acquire positive charge. So, the glass rod become positive. The plastic straw, after being rubbed by silk, get negative charged . So both glass and plastic being opposite charges will atrract each other.

The correct option is C Attraction is observed.
When rubbed with silk, glass acquire positive charge. So, the glass rod become positive. The plastic straw, after being rubbed by silk, get negative charged . So both glass and plastic being opposite charges will atrract each other.