test3_ans - MULTIPLECHOICE. 1 Alpha particles(charge= 2e...

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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  1) 
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Alpha  particles  (charge  = + 2 e mass  = 6.68  ×  kg)  are  accelerate d in a  cyclotron  to a final  orbit  radius of   The  magnetic  field in  the  cyclotron  is    The  period of  circular  motion of  the alpha  particles  is closest  to: 
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1) 
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_C______  A) 
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2.0 μs 
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B) 
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2.6 μs 
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C) 
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1.3 μs 
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D) 
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3.2 μs 
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E)  3.  
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If you  were to  cut a  small  permanen t bar  magnet in  half, 
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2)  C___ ____  o n e   p i e c e   w o u l d   b e   a   m a g n e tic  no rt po le  an th ot he pi ec w ou ld  be  so ut po le.  ea ch  pi ec w ou ld contain both north  and south poles, but on  a given piece the  intensity of the north  and south poles would  not necessarily be  equal. 
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each piece  would in itself be a smaller bar magnet with both north and south poles.  D) 
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neither piece  would be magnetic.  E) 
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None of these  statements is true.    3) 
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A cube  1.20 m on  each side  is  oriented  with one  of its  faces  perpendic ular to a  uniform  1.50 - magnetic  field. The  net  magnetic  flux  passing  through  this cube  is closest  to: 
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3)  D___ ____  4 . 3 W 8. 64 Wb 
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2.16 Wb  D) 
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0.00 Wb  E) 
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13.0 Wb    4) 
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A point  charge  moves on  the  x - axis  in the  positive  direction  with a  speed of   A  field point  is on the  y - axis at    The  magnetic  field  produced  at the  field  point, as  the charge  moves  through  the origin,  is equal to  (k is unit  vector  along z)    The  charge  is closest  to: 
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4)  B___ ____  + 1 6 μ - 210 μC 
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+ 110 μC  D) 
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+ 210 μC  E) 
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This document was uploaded on 09/05/2011.

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test3_ans - MULTIPLECHOICE. 1 Alpha particles(charge= 2e...

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