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Unformatted text preview: What is the current thmugh the 3 Q resi 31:01“? 153;“. 4.031 3.0 ﬂ 4. (Chap. I 8.9) Consider the circuit shown here, with R = 15 Q. What is the potential difference
between points a and I)? 10 Q 125 V (1) 5.56 V (2) 19.4 V (3) 25 V (4) 12.3 V (5) None of these 10. The light bulbs A and B in the circuit shown are identical. When the switch S is closed, what
happens to the intensity of the light bulbs? (1) A becomes diiimier, B becomes brighter
(2) A and B remain the same (3) A becomes brighter, B becomes dimmer
(4) A becomes diiimier, B becomes dimmer
(5) A becomes brighter, B becomes diiimier Before the swttch ts ctoseoﬂ there ts 12V ocross A otta’ 32V ocross“ B. After the swttch ts ct'osed, B
hos I 8 V ocross it end A hos 6V across tt. Thus B ts hrtghter end A ts dttttmer. ...
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This note was uploaded on 07/16/2011 for the course PHY 2005 taught by Professor Lee during the Summer '08 term at University of Florida.
- Summer '08
- Applied Physics