21

Biology with MasteringBiology™ (8th Edition)

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  MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  1) 
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A  6.0 μC  negative  charge is  attracted to a  large, well - anchored,  positive  charge. How  much kinetic  energy does  the  negatively  charged  object gain if  the potential  difference  through  which it  moves is   
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1)  _______  A) 
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0.50 kJ 
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B) 
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18 nJ 
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C) 
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6.0 μJ 
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D)  0. 5  
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A sphere  with radius  2.0 mm  carries a    charge.  What is the  potential  difference,    between  point B   from  the center of  the sphere  and point A   from  the center of  the sphere?  (The value  of k is   
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2)  _______  A) 
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- 0.45 V 
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B) 
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140 V 
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C) 
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- 1300 V 
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D)  13 0  
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A  3.0 μC  point charge  and a    point charge  are initially  infinitely far  apart. How  much work  does it take  to bring the   point  charge to      and the   point  charge to      (The value  of k is   
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3)  _______  A) 
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27 J 
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B) 
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41 J 
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C) 
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81 J 
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D)  6. 8  
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A dipole  with ±6.0 μC  charges is  positioned  so that the  positive  charge is   to  the right of  the origin  and the  negative  charge is at  the origin.  How much  work does it  take to bring    charge from  infinity to a  position      (The value  of k is   
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4)  _______  A) 
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450 J 
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B) 
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90 J 
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This document was uploaded on 04/16/2010.

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21 - MULTIPLECHOICE. 1 A6.0C negative chargeis attractedtoa...

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