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- The voltage and current of a load are v(t)=5cos(5πt+15) and i(t)=0.5cos(5πt-45), respectively. Determine its apparent power. choose one the options below 1.25 VA 2.5 VA 5 VA 0.5 VAarrow_forwardFor the following network: a) Write the expression for the current i and the voltages vi if the switch is closed at the instant t= 0. b) Determine i̟ and vi at t= 1.5 us. c) Sketch the waveform for i̟ and vi after the switch is closed for a period of time extending from 0 to 5t. 33 kN + 10 kN 4 mA 3 mH + 12 V 10 kΩarrow_forwardThe voltage across a 10–Ω resistor is given by v(t) = 5 e−2t V. Determine the energy delivered to the resistor between t = 0 and t = ∞.arrow_forward
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