Transcript electrically charging objects

ELECTROSTATICS
The physics of charged objects
• Study of electricity aims to understand
the interaction between different
charged objects.
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The physics of charged objects
• Study of electricity aims to understand
the interaction between different
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Structure of Matter
• Fundamental building blocks of the
matter are atoms.
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Structure of Matter
• Neutral atom – electron = Positive ion
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1 electron charge
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Structure of Matter
• Fundamental building blocks of the
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Structure of Matter
• Neutral atom + electron = negative ion.
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ELECTRICALLY CHARGING
OBJECTS
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ELECTRICALLY CHARGING
OBJECTS
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ELECTRICALLY CHARGING
OBJECTS
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Charging by Induction
• In metals outer atomic electrons are
not bound to any atoms (electron see).
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Charging by Induction
• In metals outer atomic electrons are
not bound to any atoms (electron see).
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Charging by Induction
Electric Polarization
• Same atoms have weakly bound
electrons.
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Electric Polarization
• Same atoms have weakly bound
electrons.
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Electric Polarization
The Electric Force
Coulomb’s Law
• Quantifies the electric force between
two charges.
Electric Force Field