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The current through a 0.1 H coil is provided. Find the sinusoidal expression for the voltage...
1. The current through a 0.1-H coil is provided. Find the sinusoidal expression for the voltage across the coil. Sketch the v and i curves. a. i = 10 sin 377t b. i = 7 sin(377t - 70°) 2. The voltage across a 1-micro F capacitor is provided below. What is the sinusoidal expression for the current? Sketch the v and i curves. v = 30 sin 400t 3. For the following pairs of voltages and currents, determine whether the...
1. If v(t)-40V at #300 and t 1ms, determine the mathematical expression for the sinusoidal voltage. 2. A voltage expression is given as v, (t) -4 sin (2ot +50)V. Find its phase relationship with a, i(t) = 6 sin (20t + 40) b. v(t) 10 coS (20t 40) c. i(t) 3 sin (2ot 30) d. i(t)--3 cos (2ot + 90) 0??
Question (1) The voltage across and the current through a certain circuit is: e()-150 sin (377t+ 20) and i() 5 sin (377t-30) A Find out: a) The nature and magnitude of the element of this circuit. b) The value of Em Im w, f. T c) The power factor (F,) of this circuit and is it leading or lagging?. d) The power (P) absorbed in this circuit.
1. Sinusoidal signals The following sinusoidal diagram is the voltage across a "black box" and the current through it. The voltage and the current oscillate with the same frequency. a. Find the time period T, the natural frequency fand radial frequency o, Amplitude of the voltage and the current, the phase angle of the voltage and the current. (9 points) 200 current t/us t/us Current in mA lo T20 0 406 160.0 80.0 -200 20.0 voltage t/s Voltage in V...
A write the voltage sinusoidal expression for the AC power source Show B) Find the reactance of the capacitor C) Find the sinusoidal expression for the current. 60Vrms 25Hz C1 =1.4F 1371.0 6 ve 50 (60) 7 7.75 ) [e = 84.85 724.09
120 Problem 1, Use the node-voltage method to find the steady state expression for v () in the circuit shown. The sinusoidal sources are v,-35cos 50 t V'and i 20 sin 50 1 A 20 Ω 0 Problem 2 120) Use the mesh-current method to find the steady state expression for velt) in the circuit shown. Answer must be in time domain. Below excitation voltage v is given in time domain v(t) 0.75 V,<t 2 Ω ) 5osin(40140°) Problem 3...
Find the current through and the voltage across each resistor in Fig. 6. Problem 10. Find the current through and the voltage across each resistor in Fig. 6. R1 152 ww V, 9.0 V R 102 R, 18 R, 35 Q V, 12 V Figure 6: Problem 10: Find the current through and the voltage across each resistor.
when an inductor of inductance 0.053 h is connected to a sinusoids ac voltage a current that varies with time according the equation i=1.5a*sin(25t) calculate the amplitude of the ac voltage 8. When an inductor of inductance 0.053 H is connected to a sinusoidal ac voltage, a current that varies with time according the equation i = 1.5 A * sin ( 25t Calculate the amplitude of the ac voltage. A. 0.922 V B. 1.987 V C. 3.227 V D....
(a) Calculate the sinusoidal steady state expression of the current io(t) using nodal analysis as shown in Figure 1(a). [10 Marks) C R L -0000 10mH 200 10(1) 50 4F + vs(t) + 10 cos 1000+ V R22022 410(1) R3=300 Figure 1(a) (b) Calculate the sinusoidal steady state expression of the current is(t) using superposition principle as shown in Figure 1(b). [15 Marks) с ist) v.1) 1012 R: 1012 0.1 F 5 cos 2t VR L 0000 4H 2 sin...
(a) Calculate the sinusoidal steady state expression of the current io(t) using nodal analysis as shown in Figure 1(a). [10 Marks) C R L -0000 10mH 200 10(1) 50 4F + vs(t) + 10 cos 1000+ V R22022 410(1) R3=300 Figure 1(a) (b) Calculate the sinusoidal steady state expression of the current is(t) using superposition principle as shown in Figure 1(b). [15 Marks) с ist) v.1) 1012 R: 1012 0.1 F 5 cos 2t VR L 0000 4H 2 sin...