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INduction - Charging w/o contact

Conduction and Induction - Flash
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No charge is transferred

Electrons redistributed

Conduction - Fill in the Blank Notes

Case II - Induction w/ Negative Rod

Frame 1 - Neutral Electroscope

#p = #e-

Frame 2 - Rod comes near

Compare #p with #e-

[ Flash ]

#p = #e-

Electroscope is neutral

Knob (top) Positive

Leaves - negative

Frame 3
Rod Removed, Charges Return

Electroscope is neutral

Which diagram best represents the charge distribution on three neutral spheres when a positively charged rod is brought near sphere x, but does not touch it?

Jan. 2003 Regents

Choice 4

Electrons are attracted to rod

Why does a charged balloon stick to a wall?

"Which image

correctly shows the

electron distribution

of a negative balloon

touching a neutral wall?"

June 1996

Choice 3

Pith ball and negative rod

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School blocks YouTube? Use the file below.

Pith Ball And A Charged Rod.mp4

What charge(s)
could this ball have?

Negative or Neutral

Induct., Grounded Objects