⚡ FIELD STRENGTH vs DISTANCE
Drag the charge · Probe anywhere · See how E weakens with distance
WEAK
STRONG
← Field Strength Key
Distance r
Probe canvas
Field E / E₀
—
Strength
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Inverse Square Law
E ∝ 1/r²
Move your mouse or finger over the canvas to measure electric field strength. Drag the orange charge to reposition it.