Q2) Two real batteries of emfs &, = 2 V and Ɛ2 = 6 V and internal resistances r, = 0.40 N and r2 = 0.80 N, a capacitor of capacitance C = 20 µF and a switch S are placed within a circuit, as shown in the figure. What is the difference between the charge on the capacitor when the switch S is open and when it is closed? (10p) (In both cases assume that the switch is open or closed for a long time such that the current is stabilized.)

Q2) Two real batteries of emfs &, = 2 V and Ɛ2 = 6 V and internal resistances r, = 0.40 N and r2 = 0.80 N, a capacitor of capacitance C = 20 µF and a switch S are placed within a circuit, as shown in the figure. What is the difference between the charge on the capacitor when the switch S is open and when it is closed? (10p) (In both cases assume that the switch is open or closed for a long time such that the current is stabilized.)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Do questions 3
None
How to solve this question
Consider the following circuit diagram, assuming the voltage is V = and all the capacitors have C = 2µF. 10v, C, C3 C5 a) By finding the equivalent capacitance, and then working backwards, find the voltage drop across each capacitor, and the charge stored on each ca- pacitor. b) What is the energy stored in each capacitor? c) Now replace each capacitor with R= 20 resistors. By finding the equiv- alent resistance and working backwards, find the voltage drop across each resistor and the current through each resistor. d) What is the power dissipated by each resistor? What is the power deliv- ered by the voltage source?
no. 3 e
The capacitors C1 with a capacitance of 15.0 ?F and C2 with a capacitance of 10.0 ?F are charged up to a potential difference of 50.0 V. Resistor R1 has a resistance of 40.0 Ω, R2 has a resistance of 30.0 Ω. RC Circuit Without Ems How long after the switch is closed has the potential difference across the capacitors dropped to 15.0 V.? etc. What is the current in the circuit at that time?
1. FIGURE shows a 2 µF capacitor connected to a 10 V battery, a 2 MSN resistor and switches K1 and K2. 10 V 2 µF K2 2 ΜΩ a. Explain in words the meaning of capacitance. b. Calculate the charge of the capacitor when switch K1 is closed and switch K2 is opened. c. Switch K1 is then opened and switch K2 closed. Calculate the charge in the capacitor, 8.0 s after K2 is closed.
1. (a)Find the charge stored in each capacitor in the figure below Given: C=2 µF, C,= 3µF, C;= lµF, V=120 V (b) If all of the capacitors were 10 2 resistors instead, what would the equivalent resistance? C2 C3
5. A car needs a battery with the following specifications (12V and 10 Amps). A flashlight battery has the following specifications (1.5 V & 0.5 Amp). If you plan to replace a car battery with flashlight batteries What is the minimum number of batteries required? How many of them will be in series and how many parallel (b ) Why are the capacitors assumed to be the major culprit in case of an electrical fire? What events can trigger this to happen
A6 = A C₁= 3μF| HI C₂= 4µF HH C3= 5μF 1-What is the total voltage gain in the circuit? 2- What is the equivalence capacitance in the circuit? 3- what is the total charge stored in the circuit? 4- what is the charge stored in each capacitor? 5- What is the potential diff. for each capacitor?
13) Two bulbs are connected to an ideal battery, as shown below. Battery V bat Bulb B Bulb A Switch Capacitor C (a) Immediately after the switch is closed, what are the potential differences across bulb A, bulb B, and the capacitor C in terms of Vbat? Explain. (b) Rank the currents IA, IB, IC, and I bat immediately after the switch is closed. Explain. (c) Rank the currents IA, IB, IC, and Ibat a long time after the switch is closed. Explain. (d) A long time after the switch is closed, what are the potential differences across bulb A, bulb B, and the capacitor C in terms of bat? Explain.
Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values C₁ = 24.5 µF, C₂ = 45.5 µF, C3 = 50.5 µF, and C4 = 40.5 µF, and the power supply is at voltage V = 26.5 V. What is the equivalent capacitance of the circuit? equivalent capacitance: What is the charge on capacitor C₂? charge on C₂: What is the potential difference across capacitor C3? potential difference across C3: What is the potential energy stored in capacitor C4? potential energy stored in C4: HF с V J V C3 C₁ C₂ C₁