The expression of equivalent impedance (ZN) in the circuit shown below is? 21 ww N
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- The 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 LCompute the equivalent impedance looking back at terminals a and b (Zeq).An impedance Z(s) is subjected to an input, as shown in the following figure. As a result, the current flowing between the terminals of this impedance is given by:i(t)=10(1 - e-5t).u(t)Determine Z(s).
- Obtain the overall impedance for the following cases a. P = 1500 W, Q = 2000 VAR (inductive), ???? = 12 ? b. ? = 4500∠60° ??,? = 120∠45° ?The impedance, Z, of the circuit shown is Ω. choices: a (2.3 + j4.2) b (2.4 + j3.2) c (4.06 – j3.25) d (3.25 – j4.06)Q10. If the impedance of a circuit = 20 – j10n, if a voltage source is connected across this impedance, which if the following statements is correct?
- The admittance for a circuit, G + jB, is 0.02 + j0.20. What is the impedance, R + jX? Provide illustration of the circuit.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.Which component of impedance is not dependent on the frequency of the source of voltage? A. capacitance reactance B. inductive reactance C. resistance D. all are independent of the frequency of the source
- A series circuit of RLC with following parameters, R=15 ohm, L=20 m H & C=100 micro Farad. VT=169.7 sin (337t-30) Volt. Find the following: Zt, , It, Voltage across each element, Power factor, apparent power, real or average power and reactive power and the total phasor diagram and power phasor diagramA resistor'R' with resistance value of 24 ohm, an inductor 'L' with inductance 20mH, and a capacitor 'C' with capacitance 50 micro Farrad are connected in series with a AC voltage v(t) where v(t) = 50 cos (2 vt + 30 degrees) v. Determine the current i(t) and total impedance if the frequency f is i. 60 Hz ii. 400HzA cable has inductance of 0.22 mH per km and capacitance of 0.202 microF per km. The surge impedance of the cable is ?