Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 26, Problem 30SP
An electric utility company runs two 100 m copper wires from the street mains up to a customer’s premises. If the wire resistance is 0.10 Ω per 1000 m, calculate the line voltage drop for an estimated load current of 120 A.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
One wire in a high-voltage transmission line carries 1 000 A starting at 700 kV for a distance of 100 mi. If the resistance in the wire is 0.500 Ω/mi, what is the power loss due to the resistance of the wire?
A circuit design calls for a 1.5-kΩ resistor to have 4.7 V across its terminals. What would he the expected current? The circuit is built and the resistance is measured at 1500 Ω and the voltage at 4.7 V. What is the current through the resistor?
An ideal battery has an emf of 14.3 V. If it is connected to a circuit and creates a current of 2.18A, what is the power delivered by the battery in units of Watts?
Chapter 26 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 26 - Prob. 20SPCh. 26 - 21. An electron gun in a TV set shoots out a beam...Ch. 26 - 22. What happens to the resistance of a copper...Ch. 26 - Prob. 23SPCh. 26 - Prob. 24SPCh. 26 - 25. What is the current through an 8.0-Ω toaster...Ch. 26 - 26. What potential difference is required to pass...Ch. 26 - 27. Determine the potential difference between the...Ch. 26 - Prob. 28SPCh. 26 - Prob. 29SP
Ch. 26 - 30. An electric utility company runs two 100 m...Ch. 26 - 31. When the insulation resistance between a motor...Ch. 26 - Prob. 32SPCh. 26 - Prob. 33SPCh. 26 - Prob. 34SPCh. 26 - Prob. 35SPCh. 26 - Prob. 36SPCh. 26 - Prob. 37SPCh. 26 - Prob. 38SPCh. 26 - 39. Find the potential difference between points-A...Ch. 26 - Prob. 40SPCh. 26 - 41. In Fig. 26-5, how large must R be if the...Ch. 26 - 26.42 [II] For the circuit of Fig. 26-6, find the...Ch. 26 - Prob. 43SPCh. 26 - Prob. 44SPCh. 26 - Prob. 45SPCh. 26 - Prob. 46SPCh. 26 - Prob. 47SPCh. 26 - Prob. 48SPCh. 26 - Prob. 49SP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A power transmission line carries 520 A of current at a voltage of 924 kV. If the line has a resistance of 48 u/m, what is the rate at which energy is being dissipated (in kW) over 509 km of line?arrow_forwardA 1.5-V emf source has an internal resistance of 0.50 2. After it has been connected to a load with a resistance R, the terminal voltage dropped to 1.45 V. How much current is passing through the circuitarrow_forwardA combination of three resistors R1,R2 and R3 in series is connected across a voltage source Vr. The voltage drop across R, and R3 are 10 V and 36 V, respectively. If the current supplied by the source voltage is 1.4 A and the total power supplied by the source is 70 W, Calculate the following: A. The value of Vr and the voltage drop across R2 |(Ans. V, = 50 V, V, = 4 V) B. The equivalent resistance across the voltage source, and the values of R1, R2 and R3 (Ans. Reg = 35.7143 N, R, = 7.1429 N, R2 = 2.8571 N, R3 = 25.7143 N) C. The power dissipated by each resistor |(Ans. P, = 14 W, P2 = 5.6 W, P3 = 50.4 W)arrow_forward
- Differential Equations: Electric Circuits When a resistance R (ohms) and a capacitance C (farads) are connected in series with an emf E (volts), the current I (amperes) is given by the equation: dE 1 R- +-I = dtC dI C dt If R = 1000 ohms, C = 5x10-4farad.and I t = 1 second and E = 100 volts. a. 1.35 amperes b. 2.35 amperes c. 3.35 amperes d. 4.35 amperes 10 amperes for t = 0, find the current forarrow_forwardA capacitor and a resistor are connected in parallel to a 120-V, 60-Hz line. The resistor has a resistance of 40Ω , and the capacitor has a capacitance of 132.6 μF. What is the total current flow through the circuit?arrow_forwardAn emf of 10 V is connected to a series RC circuit consisting of a resistor of 1.80 ✕ 106 Ω and an initially uncharged capacitor of 3.3 ?F. Find the time required for the charge on the capacitor to reach 94% of its final value.arrow_forward
- . Electric currents in excess of 10 mA (0.01 A) can produce painful shocks. Currents exceeding 100 mA (0.1 A) can be fatal. If a wet human has a resistance of 1700 Ω, and the household voltage is 110 V, what current can potentially flow through the human? Give your answer in decimal notation, to two significant figures with the units. Ohm’s law: Calculations: Answer:arrow_forwardA 500 nF capacitor is connected in series with a 100 kohm resistor and the circuit is connected to a 50V, d.c. supply. Calculate the initial value of current flowing, the value of current 150 ms after connection, the value of capacitor voltage 80 ms after connection, and the time after connection when the resistor voltage is 35 V.arrow_forwardAn RC circuit, comprising a charged capacitor in series with a resistor and a switch, has R = (6.40x10^0) kOhm and C= (3.070x10^O) uF (10-6 F). The capacitor is at full voltage Vo at t = 0, when the switch is closed. How long does it take the capacitor to discharge to 1.0 percent of its initial voltage? Give your answer in seconds to 3 sf. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answerarrow_forward
- Two 8 awg copper conductors supply a 120v load that's located 225ft from a panelboard. Whats the maximum load in amperes that can be applied to these conductors without exceeding the NEC recommendation for conductor voltage droparrow_forwardIf known, R1 = 2.7 Ω, R2 = 4.3 Ω, R3 = 5 Ω, R4 = 3 Ω, R5 =15 Ω, and the source voltage Vs =41 Volts, determine the total resistance of the circuit, voltage at each resistor and the strength of the electric current through each resistor.arrow_forwardA stun gun or TASER is designed to put out a few seconds worth of electric pulses that impress a voltage of about 1200 V across the human body. This results in an average current of approximately 3 mA into a human body. Using these figures, estimate the resistance of the human body.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Ohm's law Explained; Author: ALL ABOUT ELECTRONICS;https://www.youtube.com/watch?v=PV8CMZZKrB4;License: Standard YouTube License, CC-BY