A resistor and a capacitor are connected in series across an ideal battery having a constant voltage across its terminals as shown. The capacitor initially uncharged. At the moment the switch is closed the
voltage across the capacitor is
equal to the battery's terminal voltage
less than the battery's terminal voltage, but greater than zero.
equal to the battery's terminal voltage
zero.
Answer will be (d). I have shown here why. If any confusion, please comment. If you like, give me rating. Thank you.
A resistor and a capacitor are connected in series across an ideal battery having a constant voltage across its terminals as shown.
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)
Question 15 of 21 estion 16 5 polms Save Anwer A resistor and a capuchorare connected in series across an ideal by having a constant voltage across sterminals The capacitor is intially unchanged the moment the witch is closed the voltage across the restors С qual to the battery's terminal volta less than the battery mal voltage, but there qual to the battery's terminal voltage
An uncharged 1.0-μF capacitor is connected in series with a 23-kΩ resistor, an ideal 7.0-V battery, and an open switch. What is the voltage across the capacitor 11ms after closing the switch? A) 2.6V B) 2.7V C) 1.6V D) 0.62V
A 1 000-V battery, a 3 000-Ω resistor, and a 0.50-µF capacitor are connected in series with a switch. The capacitor is initially uncharged. What is the value of the current the moment after the switch is closed?
A 1 000-V battery, a 3 000-Ω resistor, and a 0.50-µF capacitor are connected in series with a switch. The capacitor is initially uncharged. What is the value of the current the moment after the switch is closed?
Please show all work. 4) A first capacitor having capacitance, C, is initially connected to battery having terminal voltage V as shown in the figure below. After static equilibrium is established, the charged capacitor is removed from the battery and connected to a second initially uncharged capacitor having capacitance C2. Determine an expression {C1, C2, V] for the final potential across the first capacitor long after the switch is closed. CI C2 C1
Problem 8 (5 pts): Consider two silver wires, one wire has 3 times the length and half the radius of the other. How do the resistivities of these two wires compare? A) The longer wire has 4/3 times the resistivity of the shorter wire. B) The longer wire has 3 times the resistivity of the shorter wire. C) Both wires have the same resistivity D) The longer wire has 3/4 times the resistivity of the shorter wire. Problem 9 (5...
An RC circuit is connected across an ideal DC voltage source through an open switch. The switch is closed at time t = 0 s. Which of the following statements regarding the circuit are correct The capacitor charges to its maximum value in one time constant and the current is zero at that time. The potential difference across the resistor and the potential difference across the capacitor are always equal. The potential difference across the resistor is always greater than...
A 6.0 V battery, a 220 W resistor, a 680 µF capacitor (initially uncharged), and a switch (initially open) are all connected in series, forming a loop. At t = 0 the switch is closed. (a) Find the initial current in the loop. (b) Find the charge on the capacitor at t = 0.100 s. (c) At what point in time will the voltage across the resistor equal 5.0 V? (d) What will be the maximum energy stored in the...
Problem 7 A resistor with resistance R, battery with voltage AV, capacitor with capacitance C, and switch are connected in series. The switch is closed at t = 0. The time constant of the circuit is T. What is the initial voltage across the resistor immediately after the student is closed? Select One of the Following: (a) o (b) AV (c) TAV (d) AV/T (e) AV/(R+C) Problem 8 A capacitor is charged to potential difference V and then allowed to...