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Physics
Donald Shelton
31 March, 06:43
What increase electrical resistance of metal?
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Carlos Short
31 March, 10:18
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The resistivity of a metal is given as
rho = k * l/Area
k is a constant associated with the metal
l is the length of the metal
A is the cross sectional area.
If you decrease the area and increase the length, you will increase the resistance. Always try and do physics problems by a formula of some kind.
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