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ELECTROSTATICS (Electric Field , E (A region in which and electric force…
ELECTROSTATICS
Equipotential
A surface on which all points are at the same potential.
The potential difference between any two points on an equipotential surface is zero.
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Electric Field , E
A region in which and electric force will act on a charge when the charge is placed in the region.
Definition : The electric force acting per unit charge.
Unit : NC^-1
E = F/q
E = kQ/r^2
- Number of lines per unit area determine the strength of electric field.
- Do not intersect each other
- Represented by electric field lines
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Electric Potential Energy , V
Definiton : Work done per unit charge , V=W/q
Unit : J C^-1 or Volt (V)
Electric Charges , Q
Positive charge, p = +1.6 x 10^-19 C
Negative charge , e = -1.6 x 10^-19 C
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Charge cannot be created nor destroyed, it can only be transferred from one material to another
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