A 4.0-mF capacitor is connected to a standard electrical outlet ( ). Determine the current in the capacitor at t = (1/124) s, assuming that at t = 0 s, the energy stored in the capacitor is zero
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A: GivenC=2 nF=2×10-9 FInitial charge, Q=5.14 μC=5.14×10-6 CResistance , R=2.29 k ohm
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Q: figure below shows a capacitor, with capacitance C = 4.72 µF, and a resistor, with resistance R =…
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A 4.0-mF capacitor is connected to a standard electrical outlet ( ). Determine the current in the capacitor at t = (1/124) s, assuming that at t = 0 s, the energy stored in the capacitor is zero.
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- A 12.0 μF capacitor is charged by a 13.0 V battery through a resistance R. The capacitor reaches a potential difference of 4.00 V at a time 3.00 s after charging begins. Find R. ΚΩWhat is the smallest capacitor needed in a computer power supply in order to produce at least 4.05 V for 0.17 s after the power goes off? Assume that the resistance of all the components of the computer motherboard is 6 Ohms and that the capacitor and motherboard are powered with a 5-Volt power supply. For my answer I got .01706 F which was wrong, When I tried it again I got .03497 F which was also wrong. Can you please help?A 2.00-nF capacitor with an initial charge of 5.81 µC is discharged through a 1.56-kΩ resistor. (a) Calculate the current in the resistor 9.00 µs after the resistor is connected across the terminals of the capacitor. (Let the positive direction of the current be define such that dQ dt > 0.) mA (b) What charge remains on the capacitor after 8.00 µs? µC (c) What is the (magnitude of the) maximum current in the resistor? A
- In the circuit shown the capacitor starts discharged. The switch S is closed to theupper position at t = 0.(a) What is the voltage in the capacitor at t = 2 seconds?(b) How much time does it take the capacitor to reach 99% of its maximum voltage.V5In an RC series circuit, ℰℰ = 12.0 V, R = 1.07 MΩ, and C = 2.16 µF. (a) Calculate the time constant. (b) Find the maximum charge that will appear on the capacitor during charging. (c) How long does it take for the charge to build up to 20.5 µC?
- Consider the circuit shown in the figure. A short time after closing the switch, the charge on the capacitor is 70.0% of its initial charge. Assume the circuit has a time constant of 18.7 s. +Q (a) Calculate the time interval required (in s) for the capacitor to reach this charge. (b) If R = 300 kn, what is the value of C (in uF)? UFA 2.00-nF capacitor with an initial charge of 5.27 µC is discharged through a 2.47-k2 resistor. dQ (a) Calculate the current in the resistor 9.00 µs after the resistor is connected across the terminals of the capacitor. (Let the positive direction of the current be define such that > 0.) dt (b) What charge remains on the capacitor after 8.00 µs? (c) What is the (magnitude of the) maximum current in the resistor? AC S R In the circuit shown above, let C = 12.31 μF and R = 4.88 M. If the switch is initially open and the voltage on the capacitor is 47.9 V, what will be the voltage on the capacitor after 13.55 s?
- A capacitor of capacitance C = 1 μF has been charged so that the potential difference between its plates is V0 = 295 V. The capacitor is then connected to a resistor of resistance R = 11.5 kΩ. The switch S is closed, and the capacitor begins to discharge. Calculate the time T in s after which the charge on the capacitor has decreased to one fourth its maximum value.You take a 6.34 V battery, a 226 kQ resistor, and an uncharged capacitor to put together a series circuit. You connect the battery and after 21.2 seconds the current in the circuit has fallen to 61% of its initial value. What is the value of the capacitor in microfarads (µF)? (Enter answer as an integer. Do not enter unit.) A Click Submit to complete this assessment. «< Question 2 of 2You have the circiut below with V=60 V, C-575 μF, and R-310 ks2. You move the switch to the left position and let the capacitor become fully charged. With the capacitor fully charged, you flip the switch to the right so that the capacitor is now in a circuit with resistor R. After a time 178.25 s, the charge on the capacitor has decreased by a factor of 2.7. C R V What is the average current going through the resistor in that time? Number A. What is the average power dissipated through the resitor in this time? Number W.