- Any object carrying a charge will experience a force when in the presence of another body also carrying a charge
- This force is given by Coulomb's Law
- The formula is:
The value of the constant is 8.99 x 10^9
Coulomb's law follows the inverse square law
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Difference betwwen electrical field strength and e
- Electric Field Strength is defined as the force per unit charge experienced by a test charge at that point
- The Electric Potential at a point in an electric field is defined as the work done in bringing a test unit positive charge from infinity to that point.
- The potential charge at infinity is always defined to be zero.
- Electric Field Strength is a vector quanitity and Electric Potential is a scalar quantity.
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- In an electric field, you have areas were the electrical potential are the same
- These areas can be connected by lines called equipotentials
- The closer these lines are, the stronger the field. The further the lines the weaker the field.
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Difference Between Radical and Uniform feilds
- Uniform Fields have the same electical field strength.
- Radical Fields have different electical field strenths.
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