tailieunhanh - Electric Circuits, 9th Edition P39

Electric Circuits, 9th Edition P39. Designed for use in a one or two-semester Introductory Circuit Analysis or Circuit Theory Course taught in Electrical or Computer Engineering Departments. Electric Circuits 9/e is the most widely used introductory circuits textbook of the past 25 years. As this book has evolved over the years to meet the changing learning styles of students, importantly, the underlying teaching approaches and philosophies remain unchanged. | 356 Sinusoidal Steady-State Analysis The op amp in the circuit seen in Fig. is ideal. pspice Find the steady-state expression for vo t when MULHSIM 2cos 106r y b Write the steady-state expression for vo t when C has the value found in a . Figure The op amp in the circuit in Fig. is ideal. mulhsim a Find the steady-state expression for vo f . b How large can the amplitude of v be before the amplifier saturates Figure The sinusoidal voltage source in the circuit shown in pspice pig. is generating the voltage u 4 cos 200r V. IULHSIM If the op amp is ideal what is the steady-state expression for v0 t Figure 10 kil The 250 nF capacitor in the circuit seen in Fig. pspice is replaced with a variable capacitor. The capacitor 1ULTI5IM is adjusted until the output voltage leads the input voltage by 135 . a Find the value of C in microfarads. The operational amplifier in the circuit shown in pspice Fig. is ideal. The voltage of the ideal sinu-MULTISIM so a SQurCe s 30 cos 106f V. a How small can Co be before the steady-state output voltage no longer has a pure sinusoidal waveform b For the value of Co found in a write the steady-state expression for vo. Figure 10 nF i 100 Í1 a Find the input impedance Zab for the circuit in Fig. . Express Zab as a function of Z and K where K R2 R . b If Z is a pure capacitive element what is the capacitance seen looking into the terminals a b Figure R2 For the circuit in Fig. suppose vx 20 cos 2000i - V v2 10 cos 5000Z V a What circuit analysis technique must be used to find the steady-state expression for vo r b Find the steady-state expression for Problems 357 Figure For the circuit in Fig. suppose ya 5 cos 80 000 V vb cos 320 000 V. a What circuit analysis technique must be used to find the steady-state expression for z b Find the steady-state expression for z b Find the coefficient of coupling. c Find

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