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Principles and Applications of Electrical Engineering
- 4. a) For the circuit shown in Figure (4.a): i) Find the voltage across the capacitor in polar form. i) Draw the phasor diagram relationship of Vc and s. ii) Is this circuit pre-dominantly inductive or capacitive? Why? R1=1kQ X, = 5000 Vs= 50 0 R2-1kQ X =D5000 Figure 4.aarrow_forwardSolve for Ij in the circuit shown in Figure P4.56. I= 102 -A j4 2arrow_forward4.14 Find a realization for (12s + 6) 22s + 23 3s + 34 Ĝ(s) 3s + 34arrow_forward
- RI=102 E-2IV- R2 =150 %3D BY THEVENINS THEOREM SOLVE FOR (A.)RTH (B.) VTHarrow_forward/Q6 The potential at point P due to Q1 and * :Q2 is = 1x10-12C 0.5 m 0.5 m Q2 = 1x10-12C %3D 50 cm P. 0.01797 V O -0.01271 V O ov O 0.01271 V C 10arrow_forward*P4.61. A dc source is connected to a series RLC circuit by a switch that closes at t = 0, as shown in Figure P4.61. The initial conditions are i(0+) = 0 and vc(0+) = 0. Write the dif- ferential equation for vc(t). Solve for vc(t) given that R = 80 2. t = 0 R 2 mH + V = 50 V i(t) vclt) 5 µF i(0) = 0 vc(0) = 0 Figure P4.61arrow_forward
- L{sinh(at)- sin(at)} 4. 2(st+a*) (s4 at) 2(st *)arrow_forwardThe first column of a Routh array is 1 s* 2 s3 1.5 -1/3 10 How many roots of the corresponding characteristic equation are in left half s-plane? $51 1 s4 1 2 53 11.5 52 | -1/3 s1 | 10 s° 1 2 O 5 O 2 O 4 O 3arrow_forwardplease re-do this question. where did u get p=10W? and when is power in inductor and capacitor 0? and in what case should i compute it from the start if it is not constant? thank you.arrow_forward
- Select an answer4. Two base signals for a quadrature system are:A. sin (w_c t) and cos (2w_c t)B. sin (w_c t) and cos (w_c t)C. sin (1/2 w_c t) and cos (w_c t)D. cos (w_1 t) and cos (w_2 t)arrow_forwardR 2 0 5e-2 cos(31) 1 H Figure P4.48 If Vg (t) = 5e-2tcos(3t) V, and iL(0-)= -0.3A. a. determine the request voltages and currents. VR(0+)= VL(0+)= İL(0+)= b. On a single graph, draw to scale the waveforms of VG(t) and VL(t). c. expression for iL(t), t>0 urgent in one hour give like handwrittenarrow_forwardP4.30. Consider the circuit of Figure P4.30 in which the switch has been closed for a long time prior to t=0. Determine the values of v C (t) before t=0 and a long time after t=0. Also, determine the time constant after the switch opens and expressions for v C (t). Sketch v C (t) to scale versus time for -4sts16 s. 2 MA 30 V 2 uF I MO Figure P4.30arrow_forward
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