Select All that Apply Electrical resistivity increases with

(Select All that Apply) Electrical resistivity increases with...

increasing length of the sample.

decreasing cross sectional area of the sample.

increasing temperature for a pure semiconductor such as undoped silicon.

addition of a doping element to a semiconductor, such as boron or phosphorous in silicon.

increasing temperature for a metal such as copper.

cold working of a metal such as copper.

Solution

R = row l/A increasing length of the sample

decreasing cross sectional area of the sample

increasing temperature for a metal such as copper.