Answer Happy

7. -/1 Points DETAILS SERPSE10 26.3.OP.010.MI. MY NOTES ASK YOUR TEACHER If the magnitude of the di velocity of free clectrons in a copper wire 7.0 x10, what is the secticed in the conductor 3. 1-/1 Points) DETAILS SERPSE10 26.3.P.015. MY NOTES ASK YOUR TEACHER A current density of 8.50 x 10 mest in the atmosphere at location where the electric field is 141 V/m. Calculate the electrical conductivity of the Earth's atmosphere in this region 9. (-/1 Points) DETAILS SERPSE10 26.4.OP.011 MY NOTES ASK YOUR TEACHER Aleb technician is studying the effect of temperature on the resistance of a current carrying wwe stappe voltage to a niver Wire at a temperature of 530°C and notes that it produce current of 1.50 A. I she then applies the same voltage to the same wirest -88.0", what current should she expect in the temperature coefficient of resistivity for 30-10-***) Assum that the reference temperature is 20°C.)