A parallel-plate capacitor has plates of area 0.80 m2 separated ...

[Sportsfan2111]

A parallel-plate capacitor has plates of area 0.80 m2 separated by a distance of 3.0 mm. What is this capacitor's capacitance?
 
  A) 270 F
  B) 70 F
  C) 2.4  10-9 F
  D) 4.8  10-10 F
  E) 3.6  10-10 F

Question 2

How many times faster does sound travel through iron rails than through air at 20.C?
 
  A) 12.8
  B) 13.1
  C) 12.2
  D) 13.6
  E) 13.9

[rachel]

Answer to Question 1

C

Answer to Question 2

B

[Sportsfan2111]

Thanks for the timely response, appreciate it

[adf223]

Great answer, keep it coming