Four resistors of 12, 3.0, 5.0, and 4.0 ? are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?
A) 0.50 A
B) 1.0 A
C) 1.5 A
D) 2.0 A
E) 2.5 A
A
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Imagine that an arbitrary amperian loop completely surrounds a wire that carries current directly toward us, as shown in the left diagram below. We then bring an identical wire close to the loop, as shown in the right diagram. 
How does C:\Users\mam clarisse\Desktop\2019-10-27 17_00_53-ch14_clicker [Compatibility Mode] - Microsoft PowerPoint.png at the point P change in this process?
A. The quantity increases. B. The quantity decreases. C. The quantity remains the same. D. One cannot determine the change from what is given.
Which of the substances, water or mercury, could be used to build a thermometer that measures temperatures from -10°C to 110°C?
1.water only 2.mercury only 3.both water and mercury 4.neither water nor mercury
Work: How much work would a child do while pulling a 12-kg wagon a distance of 4.3 m with a 22 N force?
A. 95 J B. 52 J C. 66 J D. 109 J
A violinist discovers while tuning her violin that her string is flat (has a lower frequency). She should
A. tighten the string. B. loosen the string. C. play faster.