Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 27, Problem 18SP
A spark of artificial 10.0-MV lightning had an energy output of 0.125 MW • s. How many coulombs of charge flowed?
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A 12.0-V battery-operated bottle warmer heats 50.0 g of glass, 2.50 × 102 g of baby formula, and 2.00 × 102 g of aluminum from 20.0 °C to 90.0 °C . (a)How much charge is moved by the battery? (b) How many electrons per second flow if it takes 5.00 min to warm the formula? (Hint: Assume that the specific heat of baby formula is about the same as the specific heat of water.)
Chapter 27 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 27 - 11. If the current supplied to a resistor is...Ch. 27 - 12. A 12.0-V battery supplies 20.0 mA to a...Ch. 27 - 13. A length of wire has a certain current...Ch. 27 - 14. A 12.0-V battery is put across a 100-Ω...Ch. 27 - 15. A 12.0-V car battery supplies 15.0 A to a...Ch. 27 - 16. A resistive heater is labeled 1600 W/120 V....Ch. 27 - Prob. 17SPCh. 27 - 18. A spark of artificial 10.0-MV lightning had...Ch. 27 - Prob. 19SPCh. 27 - 20. An electric motor takes 15.0 A at 110 V....
Ch. 27 - 21. A current of 10 A exists in a line of 0.15 Ω...Ch. 27 - Prob. 22SPCh. 27 - 23. A 25.0-W, 120-V bulb has a cold resistance...Ch. 27 - 24. While carrying a current of 400 A, a...Ch. 27 - 25. How much power does a 60-W/120-V...Ch. 27 - Prob. 26SPCh. 27 - 27. A 10.0-Ω electric heater operates on a 110-V...Ch. 27 - 28. An electric motor, which has 95 percent...Ch. 27 - 29. An electric crane uses 8.0 A at 150 V to...Ch. 27 - Prob. 30SPCh. 27 - 31. Compute the cost per hour at 8.0 / kW • h of...Ch. 27 - 32. Power is transmitted at 80 kV between two...Ch. 27 - 33. A storage battery, of emf 6.4 V and internal...Ch. 27 - 34. A tank containing 200 kg of water was used...
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- A 11 kg object with a net charge of -2.96 coulombs is moved vertically near the earth's surface where the gravitational field is 9.81 N/kg and the electric field is 70 N/C pointing downwards. If the object stores -55 joules of electric potential energy, how far was it raised or lowered? Assume that up is the positive direction. Express your answer in meters.arrow_forwardAn alpha particle is a helium nucleus with two neutrons so it has a charge of +2e and a mass of 6.64 x 10-27 kg. Suppose an alpha particle accelerates from rest across a 1190 V potential difference? (a) What is the final kinetic energy of the alpha particle in eV? What is it in Joules? eV = J (b) How fast was it moving after it crossed the potential difference? m/sarrow_forwardHow much work does it take to bring a 0.01 C charge from ∞ to 1.0 m from a 5.0 Ccharge?arrow_forward
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