The figure shows voltage and current graphs for a capacitor. Part A Choose the graph that represents the current and voltage phasors at t= 5ms
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- Please show all work and do all parts.Item 21A capacitor has a peak current of 330 μA when the peak voltage at 330 kHz is 2.8 V. Part A What is the capacitance? Express your answer to two significant figures and include the appropriate units. C = Submit Part B Ic= μA Value Submit Request Answer If the peak voltage is held constant, what is the peak current at 660 kHz ? Express your answer to two significant figures and include the appropriate units. μA Value Units Request Answer biệt Units wwwww
- A series combination of a 45,000 Ohm resistor and an unknown capacitor is connected to a 15 V battery. Once second after the circuit is completed, the voltage across the capacitor is 8 V. a. Determine the capacitance of the capacitor. b. What is the voltage across the capacitor 2 seconds after the circuit is completed?A C1 +47 C2 B C3 C4 The circuit shown above has capacitors in a network. If C1 is 0.938 F, C2 is 0.329 F, C3 is 0.808 F, and C4 is 0.307 F, what the capacitance of the entire circuit (as measured between A and B)? Report your answer to three significant digits.RC Circuits 6. The charge on a C = 0.4F capacitor is measured as a function of time in a physics lab and produces the following graph. The capacitor is part of a simple circuit having only a battery, a capacitor, and a resistor in series. The capacitor starts uncharged and at t=0s, the battery is plugged in and the capacitor charges. In general, the charge of a charging capacitor is given by: q(t) = Qmax(1 – e-t/RC) тах Charge vs. Time 20 18 16 14 ū 12 10 8 4 2 1 3 4 7 8. 9 10 Time (s) а. Use the graph to estimate the time constant for this circuit, T. b. Estimate the resistance of the resistor R in this circuit. с. Estimate the battery's voltage AV in this circuit. Charge (C)