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

  • Thread starter looi76
  • Start date
  • #1
81
0

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?
 
Last edited by a moderator:

Answers and Replies

  • #2
147
0
i think 2 x 65/165 if not misunderstood, the whole length 165 cm.
 
  • #3
81
0
The length of the wire is 100cm. and on that wire the mark is 65cm. Is my answer correct?
 
  • #4
Redbelly98
Staff Emeritus
Science Advisor
Homework Helper
Insights Author
12,121
160
If the high-resistivity wire is just between X and Y, then yes it's 1.3 V.
 

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

  • Last Post
Replies
5
Views
3K
Replies
4
Views
5K
Replies
15
Views
524
  • Last Post
Replies
3
Views
731
Replies
2
Views
4K
Replies
1
Views
643
Replies
18
Views
7K
Top