Please solve the % difference and show the calculations for it.

Part 3 - Power Draw from a Non-Ideal emf r = 217 5 ohms R ($2 ) 5 10 20 40 80 160 320 640 1280 I (A) 0.02302 0 - 02275 0-02152 0 . 04982 0.0 1718 10 .0 1357 0- 0045 0 0. 006 10 - 003+3 V () 0- 23 0 321 017 1:349 2 . 109 2- 962 3.719 4. 284 Fit parameter A = .0 . 0 2 958 Fit parameter B = ....2 lo . 4 % difference B vs. r =... 3.3.23 6 Difference 1 Theo-call E EQuation Theo +Eale 2