The voltage across a 1 µF capacitor is given. What, iś the sinusoidal expression for the current? a. 30 sin 200r b. 60 × 10³ sin 377t
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a. and b.
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- Using the phase shift theta= 72° from the Experiment, determine the value of the capacitance, C, of the capacitor shown. Vr(t) = 0.93612 cos( 4000 t - 72° ) VConsider the following sinusoidal plot of the instantaneous voltage of an inductor as a function of time.What is its root-mean-square voltage?If the expression of the voltage across a capacitor of capacitance C=10 mF is v(t)=5 sin(10t) mV, then find out the expression of the current flowing through the capacitor.
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- a) Determine the Energy stored in a 3µF capacitor when charged to 400V b) Find also the average power developed if this energy is dissipated in a time of 10usec.Using the phase shift of 72º from the Experiment, determine the inductance value, L, of the inductor shown. Vr(t) =3.7272 cos(4000 t - 72°) [V]3. Write the equation for capacitor voltage, v(t)=V0e−t/τ, for t≥0
- The circuit is operating inthe sinusoidal steady state. The capacitor is adjusted until the current igis in phase with the sinusoidal voltage vg.1. Specify the capacitance in microfarads if vg=80 cos5000t V.2. Give the steady-state expression for ig when C has the value foundin (a).Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the inductor, EL, is 104 V, and the circuit has a total impedance, Z, of 20 . The frequency of the AC voltage is 60 Hz. ETITZ20VAPFER78VIRRPEL104VILXLVARsLLThe current through a 0.5-H inductor is given byiL = 2 cos(377t + π/6).Write the expression for thevoltage across the inductor.