Given that:
i(t) = 5 cos(10t)
v(t) = 5 cos(10t+30o)
Determine:
p(t) = ?
Average power = ?
Given that: i(t) = 5 cos(10t) v(t) = 5 cos(10t+30o) Determine: p(t) = ? Average power...
If Vs(t) = 10 cos (10t - 90o) V, determine: brief description and legible formulas and variables Step 1: The voltage phasor VSF Step 2: The equivalent impedance Zeq Step 3: The phasor current IF Step 4: The steady state current I(t)ss Step 5: The complex power (S = ½VSFIF* = P + jQ). Step 6: The average (P) and reactive power (Q). Step 7: The power factor and sketch of the power triangle. Vs(t) (+) 0.1H Zeq If Vs(t)...
The voltage and current at the input of a circuit are given by the expressions v(t) = 120 cos (ω t + 30o) V i(t) = 40 cos (ω t + 45o) A Determine the average power absorbed by the circuit.
If v(t) = 120Vrms*cos(377t+60) i(t) = 2Arms*cos(377t) Find the instantaneous power, average power, power factor and complex power.
Given a sinusoid signal u(t)=-5 cos(10t+30°) Find (a) peak value (6) RRMS value (c) average- absolute (AA) value (d) integral square value (e) integral absolute value
Given v(t) = 60cos(wt - 10) V and i(t) = 1.5 cos(wt +50)A find a. Complex Power (S) (2 pts.) b. Apparent Power (SI)(1 pts.) C. Real Power (P) (1 pts.) d. Power factor (2 pts.) e. Reactive Power (Q) (1 pts.) f. Impedance (Z) (1 pts.) g. Capacitance (C) ((2 pts.)
The motion of a particle is given by x(t)=(25cm)cos(10t), where t is in s. What is the first time at which the kinetic energy is twice the potential energy?
V(t) = 1920s (5t +96) v i(t) = 19 Cos(5t +96) I Find * Apparent Power * Real Power * Reactive Power * Power factor
2) Given an AC voltage source v(t) i(t) 10v2 cos(2T60t +60°) A, determine the relationship ot their phase angles i(t) leads v(t) bydegree (write your solution between -180 and +180 degree). 120V2 cos(2π60t + 30°) V whose current output is 3) Given an AC voltage source v(t) 120v2 cos(2T60t+30°)V whose current output is i(t) = 10V2 cos(2 π60t + 345°) A, determine the relationship of their phase angles: t) lags vit) by degree (write your solution between-180 and 180 degree)
A. The position of a 45 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. Determine the velocity at t=0.40s. B. Assume that the oscillating mass described in Part A is attached to a spring. What would the spring constant k of this spring be? C. What is the total energy E of the mass described in the previous parts?
27? 73 S2 0.20A 0.001Fv(t) i(t) -10t The capacitor voltage in this circuit is v(t)- 14.60-33.6 efort 0. -10t The current in the 73-? resistor is represented as ,(t)-E+ Fe - for t > 0. Determine the values of the constants E and F: V and F V.