What is the resistance at 20 degrees c

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Reference no: EM13245793

A copper wire with a cross sectional area of 3.00 mm^2 and a length of 2.00 m at 20.0 degrees C is connected to a 25.0 V battery.

(a) what is the resistance at 20.0 degrees C?

(b) what is its resistance and -50.0 C (wire dimensions remain constant)?

Reference no: EM13245793

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