Question 12 {3 points) lChoose lDNE of the following questions, and explain with words & diagramls) {3 marks]: a. Briefly outline how the DC motor continuously spins. b. Explain why the DROP in Drop Zone Slows down without the aid of outside power. Paragraph Question 13 {4 points) You decide to take a 15 minutes break 61 go on lnstagram on your phone. If your phone needs 1.2 A and has a voltage of 22V, determine: a) The resistance of the power source within your phone {2 marks}: b) The total charge of the electrons running through your phone [2 marks): For your answers below enter 3 significant digits lDNLYlno units or directions here; include them instead in full solutions). Eszctual answer: 12.035 You enter: 12.0 or Actual answer: 1.634 x 10% You enter: 16600 Question 14 (6 points) The peak cost of electricity is about $0.13/kw-h. Your TV has an electric potential of 110V and a current of 3.9A. If you decided to hold a marathon viewing of The Office (which would last about 64 hours), calculate: a) The Power used in W (2 marks) b) The Energy used in KWh (2 marks) c) The total cost of the viewing party (2 marks) For your answers below enter 3 significant digits ONLY (no units or directions here; include them instead in full solutions). Ex: Actual answer: 12.035 You enter: 12.0 or Actual answer: 1.634 x 10^4 You enter: 16600 Blank # 1 A/ Blank # 2 A/ Blank # 3