Reading & Homework for 4/13Chapter 22 ElectrostaticsSlide 3In which case does charge +q experience the greater force?Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Slide 20Electric PotentialElectric PotentialSlide 23Slide 24Chapter 23 Electric CurrentSlide 26Slide 27Slide 28Slide 29Slide 30Slide 31Slide 32Slide 33Slide 34Slide 35Slide 36Slide 37Slide 38Slide 39Slide 40Reading & Homework for 4/13•Read Chapter 24: Magnetism•Read Chapter 25: Electromagnetic Induction–25.1 Electromagnetic Induction–25.2 Faraday's Law–25.3 Generators and Alternating Current•Reading Response Questions –on Moodle•Chapter 24 due (Sunday 4/10 at 11:00 pm)•Chapter 25 due (Wednesday 4/13 at 6:00 pm)•Homework Problems – on Moodle•Practice problems for Chapters 22 & 23Chapter 22ElectrostaticsA plastic strip rubbed with cotton becomes positively charged. Does the plastic strip?A. Gain protons from the cotton.B. Gain protons from the air.C. Lose electron to the cotton.D. Lose electrons to the airIn which case does charge +q experience the greater force?a. Case Ab. Case Bc. The force is the same in both casesd. It cannot be determinedHow is the ball affected by the positive point charge?a. It is attracted toward itb. It is repelled from itc. It is unaffected by itA neutral metal sphere is touched by a negatively charged metal rod. Electrons are transferred from the ___ to the _____ and the sphere acquires a _____ charge.A. Sphere, rod, negative.B. Sphere, rod, positive.C. Rod, sphere, negative.D. Rod, sphere, positive.E. None of the aboveA positively charged soda can is touched by a person standing on the ground. The soda can becomes neutral because:A. Electrons pass from can to person.B. Protons pass from can to personC. Electrons pass from person to can.D. Protons pass from person to can.XXXXXXXXXXA BTop viewBalloon A is negatively charged and repels balloon B. The electric field of balloon b is directed:A. Towards B.B. Away from B.Electric PotentialElectric PotentialChapter 23Electric CurrentWhen you start you car, electrons migrate from the battery to the starter motor and back to the battery. How long does it take a single elctron to complete the circuit?A. Less than a millisecondB. About 1 secondC. A few minutesD. About a dayWhat happens when we add a second light bulb in series with the first? Both bulbs light up with A. the same brightness as the single bulb.B. brighter than the single bulb.C. dimmer than the single bulb.D. One bulb will be brighter than the other.What happens to the brightness of bulb A when the switch is closed and B lights up?A. No change in brightness of A.B. A is brighter than before.C. A is dimmer than