Electric Charges and Fields
Madhya Pradesh Board · Class 12 · Physics
All formulas from Electric Charges and Fields in Madhya Pradesh Board Class 12 Physics. Key equations, constants, and identities for board exam preparation.
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Electric Charge: Basics and Properties
q = ne
e = 1.602192 × 10^-19 C
Coulomb’s Law and Force Between Charges
F = k |q1 - q2| / r^2
F = (1/4πε0) |q1 q2| / r^2
F21 = (1/4πε0) (q1 q2 / r21^2) r̂21
F(r) = qE(r)
E(r) = (1/4πε0)(Q/r^2) r̂
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