Please help me12-14

Question 12 - The resistivity of gold is 2.44 x 10-8 Ohm"m at a temperature of 20 C. Not complete A gold wire, 0.5 mm in diameter and 44 cm long. The voltage on the battery is 2 V. What is the current going through the wire in Amp? Zero for video Points out of 1.00 Flag question Answer: Check Question 13 A 4.0 m length of gold wire is connected to a 1.5 V battery, and a current of 4mA flows through it. What is the diameter of the wire in units of micrometers? Incorrect 0.00 points out (The resistivity of gold is 2.24 x 10-8 Ohm*meters ) Zero for video of 1.00 Remove flag Answer: 1.74 Check Incorrect Marks for this submission: 0.00/1.00. This submission attracted a penalty of 0.10. Total penalties so far: 0.40. Question 14 An aluminum wire with a diameter of 2.53 mm, has a resistance of 3.8 Ohms. The resistivity of aluminum is 2.8 x10-8 Ohm*meters. What is the length of this Not complete wire in m? Remember to include 4 significant digits. Zero for video. Points out of 1.00 Answer: Remove flag Check