A 1.09 x 10-3 uF capacitor has an initial charge of 0.100 C. When a resistor...
A 2.00-nF capacitor with an initial charge of 4.51 uC is discharged through a 1.06-k2 resistor. (a) Calculate the current in the resistor 9.00 us after the resistor is connected across the terminals of the capacitor. dQ (Let the positive direction of the current be define such that >0.) dt x How is the instantaneous current related to the potential difference across the capacitor? ma (b) What charge remains on the capacitor after 8.00 us? X What is the equation...
helpppp 5. A 250 Q resistor is in series with 200 uF capacitor. These are connected across a 20 V battery. The switch is turned on, and the capacitor begins to fill. After the capacitor is completely filled the battery is taken out of the circuit and the leads to the battery are shorted together. (a) (6 pts) What is the time constant, the maximum current, and the maximum charge on the capacitor? (b) (6 pts) When t = 0.04...
A 4.0-uF capacitor is connected in series with 7.0 MO resistor, and this combination is connected across an ideal 10-V battery. What is the current in the circuit when the capacitor has reached 40% of its maximum charge? (1 MS2 = 106 12) 0.12 UA 2.1 UA 0.86 UA 0.42 MA 1.7 LA
1. A resistor R = 586 k(ohms) and a capacitor C= 87.4 uF are connected in series with a 9V battery. At t = 0 a switch is closed and the capacitor is allowed to charge. a) What is the initial current in the circuit? b) What is the initial charge on the capacitor? c) What is the time constant? d) What is the current after 1.84s has passed? e) At what time is the charge on the capacitor equal...
A 2.00-nF capacitor with an initial charge of 5.46 μC is discharged through a 1.33-kΩ resistor. (a) Calculate the magnitude of the current in the resistor 9.00 μs after the resistor is connected across the terminals of the capacitor. mA (b) What charge remains on the capacitor after 8.00 μs? μC (c) What is the maximum current in the resistor? A
A 2.00-nF capacitor with an initial charge of 4.99 µC is discharged through a 1.61-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.) (b) What charge remains on the capacitor after 8.00 µs? (c) What is the (magnitude of the) maximum current in the resistor?
A 2.00-nF capacitor with an initial charge of 5.71 µC is discharged through a 2.41-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 defined 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
(a) A capacitor has a value of 5 μF. Explain in terms of electric charge what this means. (b) The 5 uF capacitor shown in the circuit below is initially uncharged. The circuit is connected to a computer and switch S is closed. The monitor of the computer displays a graph of current against time as the capacitor charges monitoT charging current/uA 30 20 10 0 . 2,3 4 time s computer The battery has negligible internal resistance. (i) Calculate...
A 10-V-emf battery is connected in series with the following: a 2-uF capacitor, a 2- resistor, an ammeter, and a switch, initially open; a voltmeter is connected in parallel across the capacitor. After the switch has been closed for a relatively long period(several seconds, say) what are the current and capacitor voltage readings respectively
#3. A 250-ohm resistor, a 0.450 H inductor, and a 6.45 uF capacitor are connected in series across an emf with a 36.0 volt amplitude and an angular frequency of 260 rad/s. a. What is the impedance? b. What is the current amplitude? c. What is the phase angle between the voltage and current? Does the voltage lag or lead? d. What are the voltage amplitudes across the resistor, inductor and capacitor individually? e. What is the power? f. What...