Question

Solve Equation(a) LI² + RI + 1/C = 0 for I(b) (x-h)&sup

Answer 1

a

LI² + RI + 1/C = 0 for I

I^2+RI/L+1/CL=0 (L≠0）

(I+R/2L)^2+1/CL-R^2/4L^2=0

(I+R/2L)^2=R^2/4L^2-1/CL

I = [-RC ± √(R^2*C^2 - 4LC)]/2LC

b

(x-k)² + (y-k)² = r² for y

(y-k)^2=r^2-(x-h)^2

y = k ± √[r^2 - (x - h)^2]