Labo Élec
electrical lab simulator
Fifteen reminder sheets for the general electricity course: definitions, formulas, IEC symbols and exercises, from the International System to AC circuits.
SI system, prefixes, scientific notation, significant figures, IEC symbols, reading instruments.
15 exercises
Atom, charges, conductors and insulators, Coulomb's law, electric field.
7 exercises
Potential, p.d., current direction, quantity of electricity Q = I·t, current density, generation and distribution.
22 exercises
U = R·I, Pouillet's law, temperature effect, E12 series.
61 exercises
P = U·I, W = P·t, Joule heating, joule and kWh, efficiency of a power chain.
34 exercises
Series, parallel, mixed, equivalent resistance, line voltage drop.
71 exercises
EMF E and internal resistance r, back-EMF E' and r', generalised Ohm's law, U = f(I) characteristic.
36 exercises
Loop rule, junction rule, circuits with several sources.
12 exercises
Capacitance C = Q/U, combinations, stored energy, RC charge and discharge, time constant.
17 exercises
Magnets, B field, flux Φ, Laplace force, field of a coil, magnetisation curves.
16 exercises
Faraday's and Lenz's laws, cut flux, inductance L, energy ½LI², RL circuits.
20 exercises
Sine wave, angular frequency ω, frequency, period, RMS and peak values, phase shift.
15 exercises
Inductive and capacitive reactance, impedance, Ohm's law in AC, series and parallel.
21 exercises
Apparent S, active P and reactive Q power, power factor cos φ, correction.
15 exercises
Voltmeter, ammeter, ohmmeter, wattmeter, ranges, upstream and downstream connections, shunt.
15 exercises