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9 (20p). a. Write the nodal equations for the network. b. Solve for the nodal voltages. c. Determine the magnitude and polari

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(4) (8) 7.5k2 Ig Vo V. Em 3 V golke 2.9 kez I Z-6.8ko Is 3.3 kr 78 V Iz As lower line in circuit is earthed with V=0 =) V - 3

eot -3.2 V, -14.83 - 0.42V Ng 2.844 - 2.781, 17. 674 = 0 - 636 V 6636V V V Vg = 5.514 V V, = -6.36 V Nodal v voltages = 5.514

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