1.8 In the circuit shown in the given figure, 5 A 5 A 4 A 120 V R The current through the inductor Lis (а) 0 A (c) 4 A (b) 3А (d) 8 A
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A:
![(a) 28.28 cos (5000t-45°) V
(b) 28.28 cos (5000t+ 45°) V
(c) 28.28 sin (5000t-45°) V
(d) 28.28 sin (5000t + 45°) V
[ESE-2002]
1.8 In the circuit shown in the given figure,
5 A
5 A
4 A
120 V
R
The current through the inductor Lis
(a) 0 A
(b) 3 A
(c) 4 A
(d) 8 A
[ESE-2002]
1.9 Three currents i,, i, and iz are approaching a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa98bb7ed-f504-4bca-9b7b-5f700c774515%2F63ff002c-c268-4160-9aef-7cf014aaf70f%2F9l6guu_processed.jpeg&w=3840&q=75)
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- Assume that the current flow through the resistor, IR, is 15 A; the current flow through the inductor, IL is 36 A; and the circuit has an apparent power of 10,803 VA. The frequency of the AC voltage is 60 Hz. ET ER EL IT IR15A IL36A Z R XL VA10,803 P VARSL PF LA 200 Ω resistor, 0.900 H inductor, and 6.00 µF capacitor are connected in series across a voltage source that has voltage amplitude 30.0 V and an angular frequency of 250 rad/s. (a) What are v, vR, vL, and vC at t = 20.0 ms? Compare vR + vL + vC to v at this instant. (b) What are VR, VL, and VC? Compare V to VR + VL + VC. Explain why these two quantities are not equal.An AC Wheatstone bridge is supplied by 25V, 50Hz, which is shown in figure C5 is used to find the unknown values of inductance and capacitance. Determine the following, Figure C5 i. Calculate the value of C, if ZD is replaced as capacitor. ii. Calculate the capacitance of the capacitor, if ZD comprise of resistor, inductor and capacitor in series, with R=10 Ω, L = 20mH.
- Show your complete solution and attached it here. Answer must be in 4 decimal places. An industrial coil is modeled as a series combination of an inductance L and resistance R. Since an ac voltmeter measures only the magnitude of a sinusoid, the following measurements are taken at 60 Hz when the circuit operates in the steady-state: |Vs| = 145 V, |V1| = 50 V, |Vo| = 110 V Use these measurements to determine the values of L and R.A series RC circuit is not switched on and the initial state charge of capacitance ?CO = 10 V. In the circuit voltage source E = 50 V DC. Resistance R = 44 Ω and capacitance C = 100 μF. Give the answers to two decimal places. a) Give time constant Tau of circuit (ms) b) Calculate current after the switch k is closed at the moment t = 0.2 ms. (A) c) Calculate current after the switch k is closed at the moment t = 2*Tau. (A)A circuit is constructed with an AC generator, a resistor, capacitor and inductor as shown. The generator voltage varies in time as ε =Va - Vb = εmsinωt, where εm = 120 V and ω = 726 radians/second. The values for the remaining circuit components are: R = 62 Ω, L = 95.6 mH, and C = 13.8μF. 4) What is t1, the first time after t = 0 when the voltage across the inductor is zero? 6) What is VC = Vd - Va, the voltage across the capacitor, at time t = 0? Note that VC is a signed number.
- The current through a 100-mH inductance is given by i( t )=exp( −t ) sin( 10t ) in which the angle is in radians. Determine the voltage across the inductance. Then, use the computer program of your choice to plot both the current and the voltage for 0≤t≤3 s.Find the impedance theoretically of a wire if it carries the frequency 10 kHz have a voltage is 8v, the current is 2mA, resistance is 12 kΩ , inductance 27 mH and capacitance 0.2 µfA series L–R–C circuit has a supply input of 5 volts. Given that inductance, L = 5 mH, resistance, R = 75ohm and capacitance, C = 0.2µF, determine (c) the frequency at which the p.d. across the capacitance is a maximum and (d) the value of the maximum voltage across the capacitor. answer: c) 4741 hz, d)10.85volts
- A pure inductance of L= 25mH has a current of i = 3 cos 2000t A. What is the angle theta (in degrees) of the equation below (include the sign if + or -)? V= V max sin ( 2000t ___ )32. A time domain circuit with v(t) = 100 sin(377t) in 5mS, what is the effective current if the load is 10 ohms? 6.14A 8.67A 7.07A 10A 36. In a series RL circuit, if cos θ = 0.707, the voltage ________ the current by _______. leads, 90 degrees lags, 90 degrees leads, 45 degrees lags, 45 degrees 37. What will happen when an ideal capacitor was installed in parallel with the load? system power factor decreases system power factor increases system will be under voltage system power loss increases 39. Phase angle in a balance circuit has a difference of __________ degrees. 60 90 30 120In the circuit given below, it is given as R=2 Ohm, C=0.8 mF. What is the amplitude of the current flowing through the capacitor in this case?