ECEN 215 Exam 2 questions well answered

ECEN 215 Exam 2 questions well
answered

Fundamental V-I Relationship Inductors - correct answer ✔✔ V = L (di/dit)



Fundamental V-I relationship Capacitors - correct answer ✔✔ i = C (dv/dt)



Inverse V-I Relationship Inductors - correct answer ✔✔ i(t) = i(t0) + (1/L)∫v(u)du (Evaluated from
t0(bottom) to t (top integral)



Inverse V-I Relationship Capacitors - correct answer ✔✔ v(t) = v(t0) + (1/C) ∫i(u)du (Evaluated
from t0(bottom) to t (top integral)



Energy Stored Inductor - correct answer ✔✔ W(t) = 1/2 L i^2. Can be i(t)



Energy Stored Capacitor - correct answer ✔✔ W(t) = 1/2 C V^2 . Can be v(t)



In DC steady state an Inductor behaves like - correct answer ✔✔ A short circuit



In DC steady state a capacitor behaves like - correct answer ✔✔ An open circuit



Equivalent Series Value Inductor - correct answer ✔✔ Leq = L1 + L2



Equivalent Series Value Capacitator - correct answer ✔✔ Ceq = (C1 * C2)/(C1 + C2)

, Equivalent Value in Parallel Inductor - correct answer ✔✔ Leq. = (L1 * L2)/(L1+L2)



Equivalent Value in Parallel Capacitor - correct answer ✔✔ Ceq = C1 + C2



Quantity that cant' change instantly RL circuit - correct answer ✔✔ Inductor Current



Quantity that can't change instantly RC circuit - correct answer ✔✔ Capacitor Voltage



Time Constant RL Circuit - correct answer ✔✔ T = L/R



Time Constant RC Circuit - correct answer ✔✔ T=RC



Natural Response RL Circuit - correct answer ✔✔ i(t) = i(0)e^-((t-t0/T)). t>= 0



Natural Response RC Circuit - correct answer ✔✔ v(t) = v(0)e^-((t-t0/T)). t>= 0



Step Response RL Circuit - correct answer ✔✔ i(t) = (i(0) -i(f))e^-((t-t0/T)) + i(f). t>= 0



Step Response RC Circuit - correct answer ✔✔ v(t) = (v(0) -v(f))e^-((t-t0/T)) + v(f). t>= 0



General Response - correct answer ✔✔ x(t) = (x(0)-x(f))e^-((t-t0/T)) + x(f). t>= 0

X is the Continuous Quantity



General Sinusoidal Waveform in time domain - correct answer ✔✔ v(t) = VoCos(wt+phi)

Vo - Amplitude

phi - Phase Angle in radians or degrees