2. (10 pts) Calculate the current through the 4 ohm resistor in the circuit if points...
20. [10pt] A RC series circuit, with R 6.50 and C-: 7.10 μ F, is connected through a switch to a battery with an emf of 5.50 Volt (assumed to have no internal resistance). If the capacitor is initially uncharged, what will the current through the resistor be 23.08 milliseconds ater the switch is closed? 21. [10pt] The electric potential at a point located 18.90 mm from a positive charge of 5.2 C and 70 mm from a second charge...
Example 23.2: A 3.42 nF capacitor is connected to a 36.0 ohm resistor, a 6 volt battery and an open switch. A) Find the time constant for the RC circuit. B) What is the initial current through the battery when the switch is closed? C) After a long time, what is the potential difference across the capacitor, and across the resistor?
An RC circuit consists of a 5 uF capacitor, an 80,000 ohm resistor, and a 12-V battery. The switch is closed at t=0. a) Find the time constant of the circuit. b) Find the time to reach 90% of the maximum charge across the capacitor.
Question 9 5 pts An RC circuit consisting of an uncharged capacitor (C = 1.0 uF) in series with a resistor (R = 2800 ), a battery (ε = 6.0 V) and an open switch. What is the time needed after the switch is closed for the voltage across the capacitor to reach 4.1 V? 4.8 ms 3.0 ms O 1.2 ms 2.8 ms
A: When a 20 om resistor is connected across the terminals of a 12 V battery, the terminal voltage of the battery falls to 10 V. What is the internal resistance of the battery? C: The capacitor is initially uncharged. When the switch is closed to "a", current starts to flow.V=20.0V, C=1.02 muF If the current from the battery is initially 0.2 A, what is the time constant for this RC circuit? (Answer in seconds)
An R-L circuit has a 60 V battery, a 42 H inductor, a 24 ohm resistor, and a switch S, in series, as shown. Initially, the switch is open, and there is no magnetic flux in the inductor. At time the switch is closed. In Figure 21.23b, when the resistor voltage is equal to the inductor voltage, the current in the circuit is closest to: 1.3 A 1.0 A 0.50 A 1.5 A 0.75 A
Example 23.1: A 60.0 pF and a 30.0 pF capacitor are connected in series with a 12 Volt battery. Find: a) the total capacitance; b) the charge on each capacitor (same for both). Example 23.2: A 3.42 nF capacitor is connected to a 36.0 ohm resistor, a 6 volt battery and an open switch. A) Find the time constant for the RC circuit. B) What is the initial current through the battery when the switch is closed? C) After a...
45) Two resistors with resistances of 5.02 and 9.00 are connected in parallel. A 4.0-12 resistor is then connected in series with this parallel combination. An ideal 6.0-V battery is then connected across the series-parallel combination. What is the current through (a) the 4.0-22 resistor and (b) the 5.0-92 resistor? 58) If V = 40 V and the battery is ideal, what is the potential difference across R1 in the figure? R; = 102 Rz=2022 ? R =3 2017 w...
A series RC circuit with C=40uF and R=6.0 Ohms has a 24 V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed. At what time will the voltage across the capacitor be 18V?