Hi today I am learning the chapter electrostatics

in the chapter there is one question that is in the printer the toner particles are get attracted to the paper by the static electricity I have one doubt in that how the toner particles get attracted towards the paper and what is the actual process accurate that and why the paper which was taken after the xerox was hot in condition please tell me with a pic thank you

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Solution

When the copier illuminates the sheet of paper on the glass surface of a copier, a pattern of the image is projected onto the positively charged photoreceptive drum below. Light reflected from blank areas on the page hits the drum and causes the charged particles coating the drum's surface to be neutralized. This leaves positive charges only where there are dark areas on the paper that did not reflect light. These positive charges attract negatively charged toner. The toner is then transferred and fused to a positively charged sheet of paper.

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In a Xerox machine the black ink’s toner particles are negatively charged which strongly sticks to the white charged A4 sheet paper and forms letters and images. What charge should the A4 sheet possess for this process to happen.

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What charge should the paper possess for this process to happen?

Q. Hi sir
I recently tied Holy thread from the temple I have one doubt in that.....
that is if I put my hand in water that thread stretches my hand
when my hand is in dry condition the thread losses and appears like long why this is happen please tell me.....

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