ECE :: Network Analysis and Synthesis
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Three resistance of 15 Ω each are connected in delta. The resistance of equivalent star will have a value of
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The circuit in figure(1) is replaced by that in figure(2). It remains same R0 will be
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In the circuit of figure the current through 5 Ω resistance at t = 0+ is
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A parallel plate capacitor with air as dielectric has a capacitance C. If the dielectric has a dielectric constant ∈r and the remaining dimensions are the same, the capacitance will be
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Assertion (A): When excited by a unit step voltage, an inductor behaves as open circuit at t = 0.
Reason (R): Inductance has the property of inertia.
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A bulb rated at 60 W, 120 V is used for 30 minutes. The charge associated with this operation is
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