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How can one increase electrical resistance?
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5 votes
5 votes
How can one increase electrical resistance?

User Shafizadeh
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1 Answer

29 votes
29 votes

Take into account that the resistance in a wire is given by:


R=(\rho L)/(A)

where p is the resistivity of the wire, L its length and A its tranversal area.

As you can notice, if L increases R increases. Then, you can increase the resistance by increasing the length.

User Groot
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