Electric field definition (E = F/q₀ (test charge))
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E = F/q₀ (test charge)
What each symbol means
| Symbol | What it stands for |
|---|---|
| q_0 | Small positive test charge |
| \vec{E} | Electric field (N/C or V/m) |
| \vec{F} | Force on test charge q₀ |
When to use this
Limit q₀ → 0 so it does not disturb source distribution.