A capacitor is charged, removed from its circuit, and connected to a voltmeter. The voltmeter initially reads 13 V and reads 3.3 V after 4.9 s. Calculate the capacitor's capacitance (in nF) if the voltmeter has an internal resistance of 5.7 MQ. nF
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- An RC circuit includes a basic switch, two voltmeters and an ammeter. Initially the capacitor is either partially or fully charged, and the switch is open. Data collection begins, and then the switch is moved to position "b" allowing the capacitor to begin discharging. Part 1: Which graph best represents the magnitude of the voltage measured across the capacitor by the voltmeter labeled Vc? O O t Part (a) Which graph best represents the charge on the positive plate of the capacitor as a function of time? O O O Vo O a o .b Part 2: Which graph best represents the magnitude of the voltage measured across the resistor by the voltmeter labeled VR? O Part (b) Which graph best represents the current measured with the ammeter as a function of time? O R t A I O VcTwo identical lightbulbs are connected in series to a single 9.0 V battery.a. Sketch the circuit.b. Sketch a graph showing the potential as a function of distance through the circuit, starting with V = 0 V at the negative terminal of the battery.A capacitor discharges through a 820k2 resistor and drops to its original voltage in 7min How many farads is the capacitor? -t V =VneRC Select one: a. C = 0.72 mF b. c= 0.76 mF C. C= 0.75 mF d. c= 0.74 mF
- A 9.0 V battery is connected to three resistors as shown in the figure below with R₁ = 502, R₂ 100 , and R3 = 75 Q = a. Draw the equivalent simplified circuit diagram. b. Determine the current drawn from the battery. C. With the value of current from the battery, find the voltage across and current through each resistor. Enter the values in a table 9.0 V 50 Ω 100 (2 www ww 75 02Each of the five resistors has resistance R, and each of the five capacitors has capacitance C. The internal resistance of the battery is negligible. What is the time constant of the circuit shown in figure? R R R TC A. 5 RC B. RC C. 10 RC D. 25 RC60 Ω 4. A circuit is shown with the currents below. a) Find the current through the 60 Q resistor. Find the charge on the 2.0 µF capacitor. 10 Ω. 6.58A b) + 100 V 40 N 0.6SA 2.0 µF=