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Why Does a Phonograph Record Attract Dust Particles Just After It is Cleaned? - Physics

One Line Answer

Why does a phonograph record attract dust particles just after it is cleaned?

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Solution

When a phonograph record is cleaned, it develops a charge on its surface due to rubbing. This charge attracts the neutral dust particles due to induction.  

Concept: Electric Field - Electric Field Due to a System of Charges
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APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 7 Electric Field and Potential
Short Answers | Q 5 | Page 119
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