Answered: All I need is the letter of the correct…

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Direct-current Circuits

Section: Chapter Questions

Problem 28.8OQ: When resistors with different resistances are connected in series, which of the following must be...

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All I need is the letter of the correct answer. 31. If 4 identical resistors are combined in series, the equivalent resistance of the circuit is A) (1/4)R; B) R; C) 4R; D) 4+R. 32. A tension cable connected to a motor hauls an elevator up or down a building. If the tension in the cable becomes less than the weight of the elevator just when it is at rest on a certain floor, then it will A) move up at constant speed; B) move up with negative acceleration; C) move down with constant speed; D) move down with positive acceleration.

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