I know I am doing this problem right but I keep getting the wrong answer

  • #1
2 parallel plates connected to a 95V power supply are separated by an air gap. How small can the gap be if the air is not to exceed its breakdown values of E=3e6 V/m.

I did E = V/d and I got that d = 3.17*10^7 and webassign keeps telling me that the answer is wrong. Could someone please help me.
 

Answers and Replies

  • #2
jamesrc
Science Advisor
Gold Member
476
1
Looks like you're doing it right but you just miscalculated.

E<=V/d --> d <= V/E = 95/(3E6)

Your exponent is incorrect.
 
  • #3
thanks so much :)
 

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