Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 3, Problem 2TFQ
Ohm’s law for finding resistance is R = I/V.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
In the figure the current in resistance 6 is i6 = 1.33 A and
the resistances are R₁ = R₂ = R3 = 1.56 02, R4 = 14.7 Q, R5
= 7.74 Q2, and R6 = 3.81 Q. What is the emf of the ideal
battery?
80
R₁
Number i
www
R₂
www
R₂
Units
www
R₁
www
R₂
i6
www
R6
In the figure the current in resistance 6 is ig = 1.36 A and the resistances are R1 = R2 = R3 = 2.50 Q, R4 = 14.4 Q, R5 = 7.95 Q, and R6 =
4.76 Q. What is the emf of the ideal battery?
R
R,
R4
16
R6
Number
i
Units
Determine the voltage drop in R1, R5 and point A to b *
R1 = 25 ohms
R3 = 5 ohms
A
%3D
R4
15 ohms
120 V E
R2 60 ohms
ww
B
R5 = 20 ohms
%3D
Chapter 3 Solutions
Principles Of Electric Circuits
Ch. 3 - If the current drops to 10 mA under the same...Ch. 3 - If the sense resistor develops 0.8 V across it,...Ch. 3 - Calculate the current in Figure 3-71 if R is...Ch. 3 - What is the current in mA produced by 1 kV across...Ch. 3 - How much current is there through a 6.8 M resistor...Ch. 3 - In Figure 3-10, how much voltage is required to...Ch. 3 - lf there are 3.2 A through a 47 resistor, what is...Ch. 3 - If there are 450 A through a 3.9 M resistor, what...Ch. 3 - In the circuit of Figure 3-13, how much resistance...Ch. 3 - If one of the grid wires opens, the current drops...
Ch. 3 - If the resistor is changed in Figure 3-14 so that...Ch. 3 - If the total resistance of a circuit increases and...Ch. 3 - Ohms law for finding resistance is R = I/V.Ch. 3 - When milliamps and kilohms are multiplied...Ch. 3 - If a 10 k resistor is connected to a 10 V source,...Ch. 3 - The current in a fixed resistor is directly...Ch. 3 - Ohms law for finding current is I = V/R.Ch. 3 - When microamps and megohms are multiplied, the...Ch. 3 - When voltage is constant, current is inversely...Ch. 3 - Ohms law for finding voltage is V = I/R.Ch. 3 - When I is plotted as a function of V for a fixed...Ch. 3 - Ohms law states that 1. current equals voltage...Ch. 3 - When the voltage across a resistor is doubled, the...Ch. 3 - When 10 V are applied across a 20 resistor, the...Ch. 3 - When there are 10 mA of current through 1.0 k...Ch. 3 - If 20 V are applied across a resistor and there...Ch. 3 - A current of 250 A through a 4.7 k resistor...Ch. 3 - A resistance of 2.2 M is connected across a 1 kV...Ch. 3 - How much resistance is required to limit the...Ch. 3 - An electric heater draws 2.5 A from a 110 V...Ch. 3 - The current through a flashlight bulb is 20 mA and...Ch. 3 - If the current through a fixed resistor goes from...Ch. 3 - If the voltage across a fixed resistor goes from...Ch. 3 - A variable resistor has 5 V across it. If you...Ch. 3 - If the voltage across a resistor increases from 5...Ch. 3 - If larger voltages are applied and results are...Ch. 3 - If the IV curve for a larger value resistor is...Ch. 3 - If the voltmeter reading changes to 175 V, the...Ch. 3 - If is changed to a larger value and the voltmeter...Ch. 3 - If the resistor is removed from the circuit...Ch. 3 - If the resistor is removed from the circuit...Ch. 3 - If the rheostat is adjusted to increase the...Ch. 3 - If the rheostat is adjusted to increase the...Ch. 3 - If the fuse opens, the voltage across the heating...Ch. 3 - If the source voltage increases, the voltage...Ch. 3 - If the fuse is changed to one with a higher...Ch. 3 - If the lamp burns out (opens), the current a....Ch. 3 - If the lamp burns out, the voltage across it a....Ch. 3 - In a circuit consisting of a voltage source and a...Ch. 3 - State the formula used to find I when the values...Ch. 3 - State the formula used to find V when the values...Ch. 3 - State the formula used to find R when the values...Ch. 3 - A variable voltage source is connected to the...Ch. 3 - In a certain circuit, I = 5 mA when V = 1 V....Ch. 3 - Figure 322 is a graph of current versus voltage...Ch. 3 - Plot the currentvoltage relationship for a...Ch. 3 - Plot the currentvoltage relationship for a...Ch. 3 - Determine the current in each circuit in Figure...Ch. 3 - You are measuring the current in a circuit that is...Ch. 3 - (a) If you wish to increase the amount of current...Ch. 3 - Plot a graph of current versus voltage for voltage...Ch. 3 - Does the graph in Problem 13 indicate a linear...Ch. 3 - Figure 3-24 shows an IV curve for a certain light...Ch. 3 - For the bulb graphed in Figure 3-24, what is the...Ch. 3 - Determine the current in each case: a. V = 5 V, R...Ch. 3 - Determine the current in each case: a. V = 9 V, R...Ch. 3 - Assume 200 mV is across a 330 m current sensing...Ch. 3 - A certain resistor has the following color code:...Ch. 3 - A 4-band resistor is connected across the...Ch. 3 - A 5-band resistor is connected across a 12 V...Ch. 3 - If the voltage in Problem 22 is doubled, will a...Ch. 3 - A certain rear window defroster has a resistance...Ch. 3 - If the voltage of the battery in problem 24 drops...Ch. 3 - The potentiometer connected as a rheostat in...Ch. 3 - A 270 current-limiting resistor has a voltage of...Ch. 3 - A small solar cell is connected to a 27 k...Ch. 3 - Calculate the voltage for each value of I and R:...Ch. 3 - Calculate the voltage for each value of I and R:...Ch. 3 - Three amperes of current are measured through a 27...Ch. 3 - Assign a voltage value to each source in the...Ch. 3 - A 6 V source is connected to a 100 resistor by...Ch. 3 - Calculate the resistance of a rheostat for each...Ch. 3 - Calculate the resistance of a rheostat for each...Ch. 3 - Six volts is applied across a resistor. A current...Ch. 3 - The filament of a lamp in the circuit of Figure...Ch. 3 - A certain electrical device has an unknown...Ch. 3 - By varying the rheostat (variable resistor) in the...Ch. 3 - In the light circuit of Figure 329, identify the...Ch. 3 - Assume you have a 32-light string and one of the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 6. The equivalent total resistance in the circuit in Figure 1 is 2200 E=7V 4700 1000. 100. 3300 Figure 1 1. 558.90 2. 2160 3. 390.72 4. 140.922arrow_forwardd. is a minimum working voltage 79. Which of the following formulas can be used with Ohm's law to determine the amount of voltage necessary to pu ampere of current through ohms of resistance? a. E=IX R E = 0.8 AX 6 E = 4.8 V b. C. d. X₁ = 2 π fL E XL X₁₂=X₁₁+X₁₂+X₁₁ |=arrow_forwardWhat is current i2arrow_forward
- A circuit component carries a current of 2.4 amperes and has a voltage drop of 10 volts across it. What is the resistance R of the component? Round your answer to two significant figures. R = Number S2arrow_forward1, between points (a and b) en's equivalent voltage and seguivalent resistance arearrow_forwardDetermine the voltage across R2 given that E=11V , R1=493 ohm, R2=530ohm and VZ=5.6 with IZM=100mA.arrow_forward
- Bonus Question. From the meter readings in Figure X, determine the most likely problem. State how you could quickly isolate the exact location of the problem. 115 Vrms 1:1 ooooo relele 115 DMMI Figure X D₁ D₁ 103 V de DMM2 100 μF RL * 10 ΚΩ V de DMM3arrow_forward(c) Find the currents 4, k and k for the circuit in figure 1 202 552 100V I1 I3 I2 250V Figure 1arrow_forwardwhat is the value i1 what is the value i2 what is the value i3 what is the value i4 what is the value i5 what is the value i6arrow_forward
- subject:Circuits 1please this one too give me a slightly favor can you answer this questions please wanna learn more im having difficuilty about this questionsarrow_forwardIf three resistance in parallel, R1=3 ohm. , R2=50 mohm, R3= 1 kohm. the total R is: 1038 ohm 0.04917 ohm O 0.534 ohm O 1.87 ohmarrow_forwardit is not graded,its a simple textbook problem. how do you calculate Vx and Ic?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Electricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning
Electricity for Refrigeration, Heating, and Air C...
Mechanical Engineering
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Cengage Learning
Kirchhoff's Rules of Electrical Circuits; Author: Flipping Physics;https://www.youtube.com/watch?v=d0O-KUKP4nM;License: Standard YouTube License, CC-BY