MT1 Student JAMES LEEHEALEY Total Points 63 80 pts Question 1 1a 10 pts Fully correct 9 pts Minor arithmetic error 7 pts Minor conceptual errpr conceptual mathematical errors 2 pts Signi cant conceptual errors 1 pt Minimal work shown 0 pts No work shown Question 2 1b 1 pt Minimal work 2 pts Signi cant conceptual mistakes 3 pts Identi es ampere s law 8 pts Found relation between current and proportionality constant only mistake in the nal steps 6 pts Understanding all steps of the problem mistaskes in mathematical setup 4 pts Understood the relationship between current density and current but with other major Graded 6 10 pts 1 10 pts 4 pts Major error or conceptual error with no separation of inside and outside 5 pts Solves correctly but does not distinguish between inside and outside 5 pts Major error still distinguishes inside and outside 7 pts Moderate error still distinguishes inside and outside 8 pts Minor mathematical conceptual mistake 9 pts Minor arithmetic mistake 10 pts Correct 0 pts No attempt made 9 10 pts 9 10 pts Question 3 1c Calculating emf 8 pts 1 pt Little correct work shown 2 pts Uses correct formulae for magnetic ux or emf 3 pts Uses correct formulae for magnetic ux and emf 4 pts Understood general steps made multiple crucial mistakes 5 pts Understood general steps made substantial mistakes 6 pts Understood general steps made conceptual or mathematic mistakes 7 pts Minor error 8 pts Fully correct emf magnitude 1 pt Correct current from emf 1 pt Correct current direction 0 pts Incomplete Question 4 1d 1 pt Minimal work shown equation 5 pts Incorrect substitutions Major Error 6 pts Moderate error 7 pts Missing key parts minor conceptual error 8 pts Minor arithmetic error 9 pts Correct torque magnitude 1 pt Correct torque direction 0 pts Incomplete 2 pts Used correct formula for Torque or Magnetic Moment Also includes su cient attempts with incorrect torque 3 pts Used correct formulae for Torque and Magnetic Moment 4 pts Multiple signi cant errors still have a vague idea of the framework Question 5 2a 0 pts Correct 1 pt small mistake causing incorrect z 5 5 pts incorrect z and incorrect I but some directions 2 pts Missing incorrect current amplitude 1 pt incorrect algebraic steps 1 pt incorrect impedance for capacitor 8 pts Incorrect 4 pts incorrect z 1 pt Small mistake in max current 1 5 pts wrong ohm s law Question 6 2b 0 pts Correct 4 pts incorrect phase 4 pts incorrect phase direction 8 pts incorrect 10 pts Click here to replace this description 0 5 pts wrong statments 1 pt algebraic mistake 2 5 pts incorrect z but demonstrated some understandings 4 pts contradicting statements but some understanding 3 pts Did not demonstrate how to deal with complex z and therefore wrong Imax 8 10 pts 10 10 pts 10 10 pts 10 10 pts 3 pts compared correctly stating which one is larger but no discussion incorrect explanation Question 7 2c 0 pts Correct 1 pt found v instead of I 4 pts incorrect explanation for comparison 2 pts incorrect current for capacitor resistor 8 pts incorrect 1 pt small mistake in current amplitute 2 pts small problems with the explanation for comparison 4 pts incorrect current 1 pt wrong reactance 3 pts contradicting statements but some directions for current 3 pts some directions for current 2 pts incorrect comparison but demonstrated understanding Question 8 2d 0 pts Correct 2 pts incorrect trigonometric function 4 pts incorrect L value but some direction 5 pts incorrect L value 8 pts incorrect 1 pt did not simplify 6 pts incorrect but demonstrated some understanding 2 pts some algebraic mistake 3 pts incorrect impedance and no simpli cation 3 pts incorrect L value but good directions 1 pt Incorrect substitution