When we remove polyester or woolen cloth in dark, we can see a spark and hear a cracking sound. These are due to:

Static electricity

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Current electricity

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Reflection of light

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Refraction of light

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Solution

The correct option is A Static electricity
When we remove polyester or woolen cloth in dark, we can see spark and hear a cracking sound. These are due to effect of static electricity.

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When we remove polyester or woolen cloth in dark, we can see a spark and hear a cracking sound. These are due to:

The correct option is A Static electricityWhen we remove polyester or woolen cloth in dark, we can see spark and hear a cracking sound. These are due to effect of static electricity.

The correct option is A Static electricity
When we remove polyester or woolen cloth in dark, we can see spark and hear a cracking sound. These are due to effect of static electricity.