Объяснение:
V = S*d, S = V/d
E = U/d = IR/d
Q = I^2 *Rt = I*E*d*t
d^2 = Q^2 / (I*E*t)^2
R = ro*d/S = ro*d^2 / V,
V = ro*d^2 / R = (ro* Q^2) / (I^2 *Rt *E^2* t) = (ro*Q)/(E^2 *t) = (216*1,68*10^(-8))/(60*10^(-2)) = 6,05*10^(-6) м3
Объяснение:
V = S*d, S = V/d
E = U/d = IR/d
Q = I^2 *Rt = I*E*d*t
d^2 = Q^2 / (I*E*t)^2
R = ro*d/S = ro*d^2 / V,
V = ro*d^2 / R = (ro* Q^2) / (I^2 *Rt *E^2* t) = (ro*Q)/(E^2 *t) = (216*1,68*10^(-8))/(60*10^(-2)) = 6,05*10^(-6) м3