Calculate the resistance of a wire which has a uniform diameter of 1.63mm and a length of 252.8cm if the resistivity is known to be 0.0000000640hm.m. Give your answer in units of Ohms up to 3 decimals.

Compute the voltage drop along a 28-m length of household no. 14 copper wire (used in 15-A circuits). The wire has diameter 1.628 mm and carries a 13-A current. The resistivity of copper is 1.68×10¬8 N · m. Express your answer to two significant figures and include the appropriate units. HA ? V = Value Units %3D

2. The resistance of a certain conductor , 300 mil diameter and 20 ft long is 200 x10^-3 N. Calculate its resistivity in micro-ohms (µ-2). 3. Determine the thermal coefficient of resistance of copper at 50°C, then use this value to

To what value would you have to raise the temperature of a copper wire (originally at 20 °C) to increase its resistance by 18 % ? Assume the temperature coefficient of resistivity of copper is 0.0039 (°C) 1. Express your answer using two significant figures. ? Tinal = °C Submit Request Answer