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Physics 4: Mod 3 - Electric Fields
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Physics 4: Mod 3 - Electric Fields
Comparison of electric and gravitational fields
- Similarities
- Inverse square law
- Common characteristics
- Differences
- Attraction and repulsion
- Similarities
Coulomb's Law
- Force between two point charges in a vacuum
- F=\(\frac{Q_1Q_2}{4\pi\epsilon r^2}\) \(\epsilon\) is permittivity of free space
- Force between two point charges in a vacuum
Electric Field Strength
- E as force per unit charge
- E=\(\frac{F}{Q}\)
- Electric field lines
- E in a radial field
- E=\(\frac{Q}{4\pi\epsilon r^2}\)
- E in a uniform field
- E=\(\frac{V}{d}\)
- E as force per unit charge
Electric potential
- Definition
- Infinity
- Potential difference
- Work done
- \(\Delta\)W = Q \(\Delta\)V
- V in a radial field
- V=\(\frac{Q}{4\pi\epsilon r}\)
- Graphs
- E against r
- V against r
- Definition
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- Description
- A-Level Physics (Module 4) Mind Map on Physics 4: Mod 3 - Electric Fields, created by chloeap on 05/02/2014.
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- chloeap
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- Created by chloeap · Feb 5, 2014
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