Physics Electrostatics Equations

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8 Terms

1
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Electrostatic force (Coulomb’s Law)

F = kq1q2/r² in (N)ewtons

2
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Electric field

Efield = kq/r² in N/C

3
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Electrostatic energy/work

U = kq1q2/r in (J)oules

4
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Electric potential/voltage difference

V = kq/r in J/C

5
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If given electric field (Efield), how would you go to force?

Multiply Efield by charge (q)

6
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If given force (F), how would you go to electric field?

Divide force (F) by charge (q)

7
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If given electrostatic potential (V), how would you go to electrostatic energy/work (U)?

Multiply voltage (V) by charge (q)

8
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If given electrostatic energy/work (U), how would you go to electric potential/voltage (V)?

Divide energy/work (U) by charge (q)