A coil with impedance 8 + 6 2 is connected in series with a capacitive reactance X. The series combination is connected in parallel with a resistor R. Given that the equivalent impedance of the resulting circuit is 1 Z 0° 2, find the value of R and X. The value of R= 12 and X= 1.14286 2.
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- Show that at a given frequency ω, the circuits will have the same impedance between the terminals a,b ifR1=R21+ω2R22C22,C1=1+ω2R22C22ω2R22C2.2. Find the values of resistance and capacitance that when connectedin series will have the same impedance at 40 krad/s as that of a1000 Ω resistor connected in parallel with a 50 nF capacitor.A circuit is designed with an AC source of max voltage 12 and frequency 60 Hz. The circuit has a resistance of 1050 Ohms, an inductance of 0.06 Henrys, and a capacitance of 0.009 coulombs per volt. - omega for source in rad/s? - omegaR for circuit? -XL? -XC? -phi in radians? -Z? -imax?A single phase CSI (with ideal switches) has the following days: I=30 A, f=500 Hz, Load capacitance=20 uF Find the circuit turn off time.
- Short Problem: Given a parallel RLC circuit comprised of the following element: 57.81-ohm resistor, ideal inductor with reactance of 65.75 ohms; and a capacitor with reactance of 6.59 ohms. Compute for true power in watts given an ac voltage source of 100 cis 0 volts.The resistance and inductance of a coil can be obtained by connecting the coil in series with a known resistance R and measuring the coil voltage Vcoil, the resistor voltage Vr and the total voltage V. The frequency must also be known, but the phase angles of the voltages are not known. Given that f = 60 Hz, R = 10 ohms, Vcoil = 22.4 V, Vr = 20 V and V = 36V. Calculate Xl and Xca series r-c circuit takes a current whose equation is i=0.85sin(754t+pi/4) when connected to a source of emf having the equation e=340sin754t. calculate the capacitance of the capacitor, circuit power factor, and power.
- 1. For an ideal capacitor, the impedance has __________. (Choose one) Group of answer choices - no real component and a positive reactive component - no real and no reactive components - negative real component and no active component - positive real component and no reactive component - no real component and a negative reactive component 2. Select the response that best describes the phase relationship between v1(t) and i1(t). (Choose one) v1(t) = 7cos(100t-π/6)i1(t) = 3cos(100t+π/2) Group of answer choices - v1(t) is in phase with i1(t) - v1(t) is leading i1(t) by π/6 - v1(t) is leading i1(t) by 3π/6 - i1(t) is leading v1(t) by 3π/6 - i1(t) is leading v1(t) by 2π/6 - v1(t) is leading i1(t) by 4π/6 - i1(t) is leading v1(t) by 4π/6 - i1(t) is leading v1(t) by π/6 - v1(t) is leading i1(t) by 2π/6The total impedance Z, of a circuit containung an inductor with inductance L and resistance R in series is given by Z R j2fL where f frequency . If Z (50 j200)ohm and f = 50Hz. Find R and LA coil with impedance 8+j6 Ω is connected in series with a capacitive reactance X. The series combination is connected in parallel with a resistor R. Given that the equivalent impedance of the resulting circuit is 2.5∠0°Ω, find the value of X and R.
- Short Problem: Given a parallel RLC circuit comprised of the following element: 60.91-ohm resistor, ideal inductor with reactance of 27.91 ohms; and a capacitor with reactance of 11.3 ohms. Compute for reactive power in VArs given an ac voltage source of 100 cis 0 volts. Give only the absolute value.A coil of wire having a value of (5 + j8) ohms is connected in series with a capacitive reactance Xc, and this series combination is then connected in parallel with a resistor R. If the equivalent impedance of the circuit is 4 /0o ohms, calculate the values of Xc and R.An air-cored choking coil is subjected to an alternating voltage of 100 V. The current taken is 0.1 A and the power factor 0.2 when the frequency is 50 Hz. Find the capacitance which, if placed in parallel with the coil, will cause the main current to be a minimum. What will be the impedance of this parallel combination (a) for currents of frequency 50 (b) for currents of frequency 40?