Charge transfer
Find charge passing at steady current.
Q = It60.00 C
TOPIC 9 LAB
Electricity toolkit
Change the inputs to connect microscopic and circuit-scale quantities.
Electron drift speed
Uses electron charge 1.60 × 10⁻¹⁹ C.
v = I/nAq0.0001042 m s⁻¹
Wire resistance
Separate material resistivity from wire dimensions.
R = ρL/A0.03400 Ω
Resistive power
Compare the equivalent power equations.
P = V²/R6.000 W
Current = 0.5000 A