ECE :: Network Analysis and Synthesis
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For an ac circuit having capacitance C, instantaneous current i and instantaneous voltage e are related as
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The relative permeability of an iron specimen is 400 when B = 0.2 T. If B = 0.4 T, μr will be
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When a circuit is excited by ac sinusoidal source, the admittance is obtained by letting s = jω in Y(s).
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In figure the total inductance of the circuit is
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A resistance of 5 ohms is connected in one branch of a network. The current in this branch is 2.2. A. If the resistance is increased to 7.5 Ω, the remaining circuit being the same, the current in this branch will be
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A constant k high pass filter has fc = 3000 Hz. At f = 1000 Hz, the phase shift is
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If Va1, Va2, Va0 are the symmetrical components of Va, then
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