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Download (1) You are given the circuit of Figure 1 with the indicated source
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(1) You are given the circuit of Figure 1 with the indicated source voltage and line current. The line current is know to be; I = 2.83160" A. Determine the approximate value of the capacitor C. i i (2) You are given the op-amp circuit of Figure 2. Determine the phasor output voltage V as shown in the circuit diagram. Express V in polar form. 1 I I I (3) You are given the AC circuit shown in Figure 3. Use mesh analysis to find the mesh currents I1 and It as indicated in the circuit diagram. Express I1 and I2in polar form. lo n jlo n lo n 30L1S0 V - (4) You are given the AC circuit shown in Figure 4. (a) Use nodal analysis to find the node voltages V1 and Vz as indicated in the circuit diagram. Express V1 and Vz in polar form. (b) Prepare a phasor diagram showing V1 and V2. Which voltage is leading? Explain. L - w- - + @ ion $ j20 sz - 15) The load for a certain AC circuit is shown in Figure 5. (a) Find the impedance of this load, Z, as indicated in the diagram. Express Z in polar form. (b) Determine whether this is a leading or lagging load. Explain your answer. ion I load 7