Answered: 1. The equivalent resistance of the…

1. The equivalent resistance of the circuit is 2. The source current is A 3. The voltage drop across R5 is 4. The current through R2 is 5. The power dissipated across R1 is W

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)...

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2. Three resistors, each with resistance R1, are in series in a circuit. They are replaced by one equivalent resistor, R. Comparing this resistor to the first resistor of the initial circuit, which of the following is true? A) The current through R equals the current through R1. B) The voltage across R equals the voltage across R1. C) The power given off by R equals the power given off by R1. D) R is less than R1. E) None of the above
0.05 Q 10. Given the circuit, solve for the 0.2 Q a. Total resistance 0.1 Q b. Total current 12 V 1.0 Q c. Total voltage 0.4 Q
10.Which of the following circuit has a total resistance of 10 2 if the total current in the circuit is 5.0 Amperes? А. = 25 R50 = 50 R, 50 V = 24 В. R, = 2 V = 50 C. R3 2 R 3 R 3 V = 24 D. = 50 R50 = 25 R,=50 V = 50 2. B.
6. An electrical circuit is shown below. The battery supplies 15 V. The resistances have the following values: R₁= 30 Ω, R₂ = 40 Ω, R3 = 20 Ω . (a) Calculate the replacement resistance of the three resistors. (b) Calculate the total current through the circuit, and the current through the respective resistor (c) If the lower right corner is grounded, then calculate the potentials at points A and B. (d) If the current is interrupted at point C, what will be the potentials at A and B.
2. An uncharged capacitor is connected to a battery of potential 10 V through a resistor of resistance 10 kn. If the capacitance of the capacitor is 7µF, how long will it take to charge the capacitor to a charge of 50 µC? What is the time constant of the RC circuit?
A combination of three resistors R1 , R2 and R3 in series is connected across a voltage source VT. The voltage drop across R2 and R3 are 13 V and 29 V, respectively. If the current supplied by the source voltage is 1.5 A and the total power supplied by the source is 90 W, Calculate the following: A. The value of VT and the voltage drop across R1. B. The equivalent resistance of the combination of R1 , R2 and R3 C. The values of R1 , R2 and R3 D. The power dissipated by each resistor
Activity 1. Series Circuit Analyze the circuit on the ieft. Guide Questions: a) What is the value of V,? 50 15 1 20 V b) What is the value of V2? Figure 9. Illustration for Activity 1 Activity 2. Parallel Circuit Analyze the circuit on the right. Guide Questions: 13 a) What are the values of I,, l. and /3? 24 1 240 25V b) What is the voltage drops across each resistor? Figure 10. Illustration for Activity 2
1. The circuit shown is example of a? 2. According to Kirchoff's current rule, the current in point b is equal to the current in? 3. According to Kirchoff's current rule, the emf in the battery is equal to the potential difference measured between? 4. What is the total resistance in the circuit? 5. What is the total current in the circuit?
2. Figure shows resistors wired in a combination of series and parallel. In the below mentioned circuit, R1 = 20, R2 = 40, R3 = 60, R4 = 80. The battery voltage is 12V. (a)Find the equivalent resistance of the circuit, (d) The voltage drop across R4 (b) source current (c) The voltage drop across R1 (e) The power dissipated across R4. R1 R2 R3 R4 1. The equivalent resistance of the circuit is = 2. The source current is = 3. The voltage drop across R is = V
R2 V. What is the resistance of The following circuit carries a current of 200.0 mA. 7, - 6 2 V and Vsource = 15 Vi = 6.2 R, V R,
4.) A battery has an EMF of 24.0 V and an internal resistance of ‘r’. Its terminals are connected to a load resistance of 5.25 ohms. a. Find r and current in the circuit if the terminal volatge of the battery is 22.5 V. b. Calculate the power delivered to the load resistor, the power delivered to the internal resistance, and the power delivered by the battery.
Circuit Problem: Express each labelled voltage and current (e.g., vx, ix) in terms of the resistances and source currents and voltages (e.g., R0).