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- The cell membranes of axons, which which are nerve cells in the human body, act as very small capacitors. A membrane is capable of storing 8.443e-9C of charge across a potential difference of 0.061V before discharging a nerve impulse. What is the capacitance of one of these axon membranes (in uF)?Calculate the voltage Vi and the current Ii for the following two cases where the resistance is R1,2,3,=8, 2, and 3 Ω, Vo=82 VTwo capacitors and a voltage source are connected in series, as shown. Let C1=4.05pF, let C2=9.75pF, and let V0=250V. a) What is the charge, in nanocoulombs, on capacitor C1? b) What is the charge, in nanocoulombs, on capacitor C2? c) What is the voltage, in volts, across capacitor C1?
- For the network of capacitors shown, find thea. Equivalent capacitanceb. Total charge when connected to a 36V sourceNote: C1 = C2 = 4.0FC3 = C4 = 6.0 FIf three 30 uF capacitors were connected in parallel what would the net capacity be? How about the net value if the capacitors in Q1 were connected in series? If you were to connect a 5K-ohm resistor in series as in Q1… what would the first time constant be? What about time to full charge?A real, 22V battery A, has internal resistance 2 Ohms. What is the magnitude of the terminal voltage of the battery A in the two cases?? (Emf of Ideal batteries B is 50V and C is 5V)
- E33. One battery supplies 30mW to an 8? loudspeaker. How many electrons leave the negative terminal in 1 min? Answer: 2.30 x 1019 Please show steps and formulas for my own understanding. Thank younetwork of capacitors: Assuming the dialect of each is air and the network is connected to Vab=30V supply, calculate the equivalent capacitance between a and b?Describe in a paragraph how a capacitor charges and discharges through a resistor as a function of time.
- The compressor on an air conditioner draws89.6 A when it starts up. The start-up time isabout 0.282 s.How much charge passes a cross-sectionalarea of the circuit in this time?Answer in units of C.A 0.5 mF capacitor is fully charged. A 800 Ω resistor is then connected across it. How long will it take to remove 95% of the charge stored in the capacitor?Find the equivalent capacitance ?eqCeq of the combination of capacitors shown in the figure, where C1=0.825 μF , C2=10.0 μF , and C3=3.75 μF .