Physics question help please

13

Hi, please could I have some help on page 13 part ii of this paper. The area is 20.1cm^2 and I thought 1cm^2 is equal to 0.25*2.5*10^-5 but the ms says this isnt correct?
Paper https://www.physicsandmathstutor.com/physics-revision/a-level-caie/capacitance/
Thanks!

Reply 1

15

Original post

by anonymous56754

Hi, please could I have some help on page 13 part ii of this paper. The area is 20.1cm^2 and I thought 1cm^2 is equal to 0.25*2.5*10^-5 but the ms says this isnt correct?
Paper https://www.physicsandmathstutor.com/physics-revision/a-level-caie/capacitance/
Thanks!

Which paper are you referring to?
CAIE, AQA, Edexcel or OCR?

Reply 2

12

Original post

by anonymous56754

Hi, please could I have some help on page 13 part ii of this paper. The area is 20.1cm^2 and I thought 1cm^2 is equal to 0.25*2.5*10^-5 but the ms says this isnt correct?
Paper https://www.physicsandmathstutor.com/physics-revision/a-level-caie/capacitance/
Thanks!

20.1cm^2 = 20.1 x 10^-4 m^2