Perform the following additions in rectangular form:
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Introductory Circuit Analysis (13th Edition)
- Convert the following instantaneous currents to phasors, using cos(t) as the reference. Give your answers in both rectangular and polar form. (a) i(t)=5002cos(t30) (b) i(t)=4sin(t+30) (c) i(t)=5cos(t15)+42sin(t+30)arrow_forwardThe power factor for a capacitive circuit (R-C load), in which the current leads the voltage, is said to be (a) Lagging (b) Leading (c) Onearrow_forwardThe admittance (Y) of a circuit is the sum of the phasor current to the phasor voltage. True False QUICKLYarrow_forward
- A resistor of 100 Ω, a coil of 4.50 uH and a capacitor of 220 pH are in parallel. What is the impedance vector at8.50 MHz?A. 100 + j 240 ohms C. 100 – j 240 ohmsB. 258u + j160.6 m ohms D. 258u - j160.6m ohmsarrow_forwardgiven the impedance, Z = 7 + j5 the circuit is a. purely resistive b. inductive c. DC d. capacitivearrow_forwardFind the reciprocal of (1.5 + j2.5) = 2.9 ∠59º in polar and rectangular form.arrow_forward
- Pure inductive load has power factor equal Select one: -1 0 0.8 1arrow_forwardA resistor is in series with a capacitor connected 120V/60Hz generator. Given R=22kohms, C=150nF. a. Find Xc, Vr, Vc, & I b. find Z in polar formarrow_forwardThe equation of an angle modulated voltage is e = 20 sin (30000 t + 2 sin 100 t). Calculate the Carrier and Modulating Frequencyarrow_forward
- Reduce 5 sin(ωt)+5 cos(ωt+30°)+5 cos(ωt+150°) to the form Vm cos(ωt+θ)..arrow_forwardAn inductive circuit draws a line current of 10A. If the reactive component of the line current is 6A, then power factor of the circuit is ___ . a. 0.6 lagging b. 0.857 lagging c. 0.5 lagging d. 0.5 leadingarrow_forwardA series circuit has 50 ohm resistance, 2.22 microfarad capacitance and inductance of 8 mH. Find the total impedance at 796 Hz frequency. a. 50-j150 b. 50+j50 c. 50-j50 d. 50+j130arrow_forward
- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning