PHYSICS+II



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MATERIAL FOR PHYSICS 12II ICE #1

Coulomb’s Law: F = k__q1q2__ r2

Electric Field Strength = E = __F__ = __kq__ q r2 Electric field is a vector and the direction is the direction that a positive charge would go in.

Electrical Potential Energy (QPE to us) = F Δ x = __kq1q2__ r

Electrical Potential (V) = E Δ x = __QPE__ = __kq__ r r

k = 8.99 x 109 N.m2/C2

V = IR

R = __ ρ ____ l __ A

ρ1 = ρ0[1 + αΔT]

R1 = R0[1 + αΔT]

Power = VI

Energy = Power (Δt)