Electrotecnia formulas

C= Q/U --> CN                                                                                                                       Bob .          L= Φ/I

CC,D --> t=3*R*C                               u=L*   (Δl/ Δt)

EM--> T=(C*U²)/2

                               Ind:     t= L/R                    

EmI T=(L*i²⁾/ 2

6.

Φ= B*S

LM --> i_mitj= 2*π*r= 2* π*(r1+r2/2)

f.m.m. = N*I                                               K= I/μ*S

H= f.m.m./L= N*i/L

B=μ*H

                                                                     Φ= f.m.m. / K

Per

μ₀=4*π*10^-7H/m

H_A*I_A+H_B+I_B

Σ H_i*I_i=Σ N_i*I_i