A load consists of a 78-12 resistor in parallel with a 90-uF capacitor. If the load...
A load consists of a 10 uF capacitor in series with a 282 N2 resistor. The voltage across the load is given by v(t)=23cos(6,384t+0.25) where the phase is in radians. What is the magnitude of the current flow in capacitor/resistor load in mA?
A single phase load consists of a resistor and a capacitor connected in parallel. When a voltage of 240 V is applied to the load, the load absorbs 10-3j kVA . What is the reactance of the capacitor?
A resistor (R = 9.00 x 102.2), a capacitor (C = 0.250 uF), and an inductor (L = 1.70 H) are connected in series across a 2.40 x 102-Hz AC source for which AVmax = 1.50 x 102 V. (a) Calculate the impedance of the circuit. Ο ΚΩ (b) Calculate the maximum current delivered by the source. (c) Calculate the phase angle between the current and voltage. (d) is the current leading or lagging behind the voltage? The current leads...
An RC circuit consists of a 5 uF capacitor, an 80,000 ohm resistor, and a 12-V battery. The switch is closed at t=0. a) Find the time constant of the circuit. b) Find the time to reach 90% of the maximum charge across the capacitor.
The total average power dissipated on the s. A Y-connected load has a 1012 resistor on cach phas a、 The power factor is c. Assume the load is switched from Y load is 3000 W ase ure to A. The total average power dissipated on the load Th is 5V 9. Using voltage division, find vi and v2 V2 300Ω 100Ω 200Ω 200Ω 10. A sinusoidal source of voltage is connected in series with a resist tor, a capacitor, and...
A 67 Vrms source is placed across a load that consists of a 12 ohm resistor in series with an capacitor whose reactance is 5 ohms. Compute the following: a) The average power of the load b) The reactive power of the load c) The apparent power of the load d) The power factor of the load
An RC circuit consists of a 45.0 12 resistor and a 5.00 uF capacitor. a) Find its impedance at 65.0 Hz. 22 b) Find its impedance at 10.1 kHz. Ω
1. A resistor R and capacitor care connected in series with an AC voltage source with frequency f and maximum voltage Vo. a. Find the complex impedance (in the form Z = R + jX). If the impedance is written in polar form (Z = Zejº), find expressions for Z and Ⓡ. Write your answers in terms of the variables R, C, and o(= 21f). b. If the voltage source is described by the phasor V = V, ejwt, and...
A resistor, 50.0-mH inductor, and 100.0-uF capacitor are connected in series with a 50-Hz voltage source. The maximum voltage through the circuit is 240 V. Calculate the power across the LCR circuit, if phase angle between the current and voltage is 60degrees.
4) An RLC circuit consists of a resistor, a inductor, and a capacitor connected in series to an AC voltage source with an RMS voltage of 59 volts. At half the resonant frequency, the phase angle is -35 degrees and the inductive reactance is 46 Ohms. What is the average dissipated power at twice the resonant frequency in Watts?