I Review Express your answer with the appropriate units. You've decided to protect your house by placing a 5.5-m-tall iron lightning rod next to the house. The top is sharpened to a point and the bottom is in good contact with the ground. From your research, you've learned that lightning bolts can carry up to 53 kA of current and last up to 50 us. Q = 2.7 C Submit Previous Answers Correct Correct answer is shown. Your answer 2.65 C was either rounded differently or used a different number of significant figures than required for this part. Part B You don't want the potential difference between the top and bottom of the lightning rod to exceed 130 V. What minimum diameter must the rod have Express your answer with the appropriate units. HA ?

I Review Express your answer with the appropriate units. You've decided to protect your house by placing a 5.5-m-tall iron lightning rod next to the house. The top is sharpened to a point and the bottom is in good contact with the ground. From your research, you've learned that lightning bolts can carry up to 53 kA of current and last up to 50 us. Q = 2.7 C Submit Previous Answers Correct Correct answer is shown. Your answer 2.65 C was either rounded differently or used a different number of significant figures than required for this part. Part B You don't want the potential difference between the top and bottom of the lightning rod to exceed 130 V. What minimum diameter must the rod have Express your answer with the appropriate units. HA ?