Back to Gmail 5:22 PM 44% e @MyCruiserDas ×\'c My Courses. Cou ×\'_ Blackboard L
ID: 1591051 • Letter: B
Question
Back to Gmail 5:22 PM 44% e @MyCruiserDas ×'c My Courses. Cou ×'_ Blackboard Learn ×' GPll-Chapter21 x ' % Practice Another X other KCDwww.webassign.net/web/Student/Assignment-Responses/submit?dep 13329160 his assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or chan nswer ment Scoring last submission is used for your score. 10 points Walker4 21.P.004 My Notes Ask Your Tea A car battery does 315 J of work on the charge passing through it as it starts an engine (a) If the emf of the battery is 12V, how much charge passes through the battery during the start? (b) If the emf is reduced to 4 V, does the amount of charge passing through the battery increase or decrease? By what factor? (new amount / old amount) = 10/10 points |Previous Answers Walker4 21.P013. When a potential difference of 19 V is applied to a given wire, it conducts 0.45 A of current. What is the resistance of the wire? 10/10 points | Previous Answers Walker4 21.P.013. My Notes Ask Your TeaExplanation / Answer
a) W=q*V
q= 315/12= 26.25 C
b) new amount/old amount = 12/4 = 3
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.