A 10 mF capacitor is discharged through a 6 kilo-Ohm resistor. How long will it take for the capacitor to lose one-forth of its initial stored energy?
A 10 mF capacitor is discharged through a 6 kilo-Ohm resistor. How long will it take...
A 4.0- mF capacitor is discharged through a 4.0- kΩ resistor. How long will it take for the capacitor to lose half its initial stored energy?
A capacitor of 10 mF capacitance is being discharged through a resistor. It is observed that the current in the circuit drops to 50% of its initial value in 12 seconds. Calculate the resitor's resistance.
A 14.0-HF capacitor is charged to a potential of 45.0 V and then discharged through a 180-2 resistor. (a) How long does it take the capacitor to lose half of its charge? ms (b) How long does it take the capacitor to lose half of its stored energy? ms
A 1.93 mF capacitor with an initial stored energy of 0.432 J is discharged through a 1.57 MΩ resistor. (a) What is the initial charge on the capacitor? (b) What is the current through the resistor when the discharge starts? At time t = 976 s, find (c) the potential difference VC across the capacitor, (d) the potential difference VR across the resistor, and (e) the rate at which thermal energy is produced in the resistor.
A 12.0-μF capacitor is charged to a potential of 50.0V and then discharged through a 175-Ω resistor How long does it take the capacitor to lose (a) half of its charge and (b) half of its stored energy?
A charged capacitor of 500 mF at 2kV is discharged through a 10ohm resistor. What is the magnetic field outside the resistor as a function of distance (r) and time (t)? Approximate the resistor as a long wire.
A 270-kilo-ohm [kΩ] resistor and a 0.4-microfarad [μF] capacitor rated at 210 volts [V] are connected in series, meaning that all of the current through the resistor enters the capacitor. (a) Assuming that the capacitor is initially fully discharged and that a constant voltage of 5 volts [V] is maintained across the resistor, how long, in units of seconds [s], can this circuit operate before the voltage rating of the capacitor is exceeded? The circuit can operate for _...
A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through a 75.0 Ω resistor. (a) How long after discharge begins does it take for the capacitor to lose 90.0% of the following? (i) its initial charge? _______s (ii) its initial energy? ______s (b) What is the current through the resistor at both times in part (a)? (i) at tcharge ? _________ A (ii) at tenergy ? ________A
A.) A 6.60 nF capacitor is discharged through a 2.30 kΩ resistor. If the current through the resistor 3.4 μs after the resistor is connected to the capacitor is 7.99 mA find the initial charge stored in the capacitor. [NOTE: 1 nF = 1x10-9 F] B.) Find the energy initially stored in the capacitor described in the previous problem.
A 10?F capacitor initially charged to 30?C is discharged through a 1.3k? resistor. How long does it take to reduce the capacitor's charge to 3.0?C ? Answer should be in ms