Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 20.2, Problem 4bTH
Rank the voltages across the bulbs. Explain your reasoning.
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Solve the following problems. Show and COMPLETE solutions. Draw the CIRCUIT DIAGRAM or the equivalent circuit.
1. Three lamps of resistances 5 Ω, 10 Ω and 15 Ω are connected in series. The combination is then connected to a 120-V battery. Find the equivalent resistance of the circuit, the total current in the circuit, the voltage across each lamp, the total power supplied by the battery to the circuit and the power dissipated by each lamp.
Solve the following problems. Show and COMPLETE solutions. Draw the CIRCUIT DIAGRAM or the equivalent circuit
1. Three resistors, 11 Ω , 7 Ω, 20 Ω are connected in parallel. If placed in a circuit with a 12-volt power supply. Determine the equivalent resistance, the total circuit current, and the voltage drop across and current in each resistor, the total power supplied to the circuit.
Describe the relationship between
voltage, current, and resistance.
Provide graphs as needed for further
explanation.
Limit your answer to at most ten sentences.
Chapter 20 Solutions
Tutorials in Introductory Physics
Ch. 20.1 - In tutorial, you compared the relative brightness...Ch. 20.1 - Use the model for electric current to rank the...Ch. 20.1 - Rang the brightness of the bulbs. Explain your...Ch. 20.1 - A wire is now added to the circuit as shown. i....Ch. 20.1 - Rank the networks according to their equivalent...Ch. 20.1 - How does adding a single bulb to a circuit in...Ch. 20.1 - How does adding a single bulb to a circuit in...Ch. 20.1 - The network AE above are connected, in turn, to...Ch. 20.1 - Rank the bulbs in order from brightest to dimmest....Ch. 20.1 - Suppose that a switch has been added to the...
Ch. 20.2 - The circuit at right consists of a bulb in series...Ch. 20.2 - The circuit at right consists of a bulb in series...Ch. 20.2 - The circuit at right consists of a bulb in series...Ch. 20.2 - In the circuit at right, the voltage across bulb 1...Ch. 20.2 - Prob. 2bTHCh. 20.2 - Box A and box B are now interchanged. It is...Ch. 20.2 - Consider the circuit as shown. i. Rank bulbs A, B,...Ch. 20.2 - b. A student cuts the write between bulbs A and C...Ch. 20.2 - Consider the following discussion between two...Ch. 20.2 - Rank bulbs 16 in order or brightness. Explain your...Ch. 20.2 - Rank the voltages across the bulbs. Explain your...Ch. 20.2 - Write an equation that relates the voltage across...Ch. 20.2 - Bulb 1 is removed from its socket. i. Does the...Ch. 20.3 - Describe the behavior of the bulb in the two...Ch. 20.3 - A second identical bulb is flow added to the...Ch. 20.3 - Just after the switch is closed: • what is the...Ch. 20.3 - A long time after the switch is closed: • rank the...Ch. 20.3 - Summarize your results by describing the behavior...
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- Describe a series circuit and a parallel circuit. How would you wire your house? Why?arrow_forwardConsider the following electrical circuit ... R1 R3 R2 The current through the circuit (in amps) is determined by the voltage through the circuit (in volts) divided by the resistance (in ohms) through the circuit. Complete the script to calculate the total current through the circuit This is the script for calculating the total current of the circuit R1 = 5; R2 = 10; R3 = 2; V = 6; RI = 1/( (1/Blank 1)+(1/Blank 2)) +Blank 3 I = Blank 4/Blank 5 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answerarrow_forwardThree resistors having resistances of 4.0 Ω, 6.0 Ω, and 10.0 Ω are connected in parallel. If the combination is connected to an ideal 12-V. What is the total resistance of the circuit? What is the current through each resistor? What is the power dissipated by the 6.0 Ω resistor? Clearly state the formulae you’re using and what your letters/symbols mean.arrow_forward
- Last summer, a Meralco electrician conducts a record of the electrical voltage supply readings within 5 hours at Cavite City. (See the table below) 1. Represent a graph showing the voltage readings as y-values and the time as x-values. 2. Is the graph continuous or not?arrow_forwardWhat happens to bulbs B and C if there is a short placed across bulb Aas shown below? Explain your reasoning.arrow_forwardSimply the circuit to get the equivalent circuit. Show all circuits step by step. R1= 8 ohms, R2= 30 ohms, R3= 6 ohms, R4= 9 ohms, V= 54V A. What is the equivalent resistance?B. What is the current in R2?C. What is the potential difference across R3?D. What is the power dissipated in R4?arrow_forward
- m 2R R 3. The new symbol you see in the diagram at the left is a multicell battery (like a 9V), which is made up of a number of smaller single cell batteries (like a 1.5V). Let's say its total voltage is V. A. Which resistor takes the most voltage? B. What is the total resistance? C. In variables, what is the current in the circuit? D. How does the voltage used by the 2R compare with R? E. In variables, what is the voltage used by the 2R resistor?arrow_forwardDescribe how the current flowing through the resistor varied as the voltage was increased? Based on the graph, What do the slopes of the best fit lines represent? Explain Do you consider the resistor as ohmic? Why or why not?arrow_forwardThree resistors having resistances of 4.0 Ω, 6.0 Ω, and 10.0 Ω are now connected in series. If the combination is connected to an ideal 12-V. What is the total resistance of the circuit? What is the current through each resistor? What is the voltage drop across each resistor? What is the power dissipated by the 6.0 Ω resistor? Clearly state the formulae you’re using and what your letters/symbols mean.arrow_forward
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