An initially charged capacitor is fully discharged in 1.23 s under a constant discharging current of 9.52E-3 A. What is the charge initially stored in the capacitor (in C)?

A fully charged RC circuit is set up using R = 15.0 Ω and C = 8.20 μF with the switch initially open, as shown in the figure. At a certain time after the switch is closed, the current in the circuit has magnitude 3.00 A and the charge on the capacitor is 30.0 μC. At this time, what is the rate at which energy is being stored in the capacitor (in W)?

A 2.00-nF capacitor with an initial charge of 5.99 µC is discharged through a 2.42-k 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 dQ such that dt > 0.) 192.757 X This is the correct magnitude of the current mA (b) What charge remains on the capacitor after 8.00 µs? 9.329e-7 X What is the equation describing the time dependence of the charge on a capacitor that is being discharged in an RC circuit? µC (c) What is the (magnitude of the) maximum current in the resistor? 1.237 A

A resistor composed of carbon =(p=3.5*10^5 Ω*m) having a radius of 1.2mm and a length of 3.1mm is connected to a 6V batter. How much energy is dissipated by the resistor in 5 minutes?

A 1·21-MF Capacitor is connected to a North American electrical outlet. (AVrms = 120V₁ f = 60.0Hz). Assuming the energy stored in the Capacitor is Zero at + = 0, determine the magnitude & the current in the wires at t = 192 Note: Answer must be in A. S.

A 2.00-nF capacitor with an initial charge of 4.98 ?C is discharged through a 1.31-kΩ resistor. (a) Calculate the magnitude of the current in the resistor 9.00 ?s after the resistor is connected across the terminals of the capacitor. mA(b) What charge remains on the capacitor after 8.00 ?s? ?C(c) What is the maximum current in the resistor? A

The circuit in the figure consists of switch S, a 5.10 V ideal battery, a 20.0 MQ resistor, and an airfilled capacitor. The capacitor has parallel circular plates of radius 4.90 cm, separated by 5.00 mm. At time t = 0, switch S is closed to begin charging the capacitor. The electric field between the plates is uniform. At t = 150 µs, what is the magnitude of the magnetic field within the capacitor, at radial distance 2.40 cm? Number i S C R Units T

The figure below shows a simplified model of a cardiac defibrillator, a device used to resuscitate patients in ventricular fibrillation. R C Riorso + When the switch S is toggled to the left, the capacitor C charges through the resistor R. When the switch is toggled to the right, the capacitor discharges current through the patient's torso, modeled as the resistor Rorso allowing the heart's normal rhythm to be reestablished. HINT (a) If the capacitor is initially uncharged with C = 8.25 µF and E = 1270 V, find the value of R (in ohms) required to charge the capacitor to a voltage of 795 V in 1.20 s. 3.904*10**-6 (b) If the capacitor is then discharged across the patient's torso with Rorso = 1240 0, calculate the voltage (in V) across the capacitor after 4.50 ms. 512.06 V

A galvanometer has a coil resistance of Rgaly = 41.4 Q. It is to be made into a voltmeter with a full-scale voltage equal to = 115.5 mA, what size additional resistor should V = 155.0 V. If the galvanometer deflects full scale for a current of I galv be used? additional resistor size: Ω