Hat is the potential difference between X and 65cm mark in the circuit

  • Thread starter looi76
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  • #1
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Homework Statement


http://img152.imageshack.us/img152/696/1005200802ps4.png [Broken]
The wire XY in the circuit is made of a material of high resistivity and uniform area of cross-section. What is the potential difference between X and 65cm mark in the circuit?

Homework Equations



The Attempt at a Solution



[tex]\frac{65}{100} \times 2 = 1.3V[/tex]

Is this correct?
 
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Answers and Replies

  • #2
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i think 2 x 65/165 if not misunderstood, the whole length 165 cm.
 
  • #3
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The length of the wire is 100cm. and on that wire the mark is 65cm. Is my answer correct?
 
  • #4
Redbelly98
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If the high-resistivity wire is just between X and Y, then yes it's 1.3 V.
 

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