Lecture%207%202220%20Spring%202009

Lecture%207%202220%20Spring%202009 - Test your response...

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1 Test your response card. 25% 25% 25% 25% 1. Yes 2. No 3. Maybe 1234 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 0 of 126 4. What was the question? Electrical Potential Energy B BA o A UU U q d Δ =−= Es o U V q = Electric Potential Unit = volt (V) Potential Difference in a Uniform Field BB AA VV V d Ed E d −= Δ= − ⋅= = ∫∫ s Comments • A system consisting of a positive charge and an electric field loses electric potential energy when the charge moves in the direction of the field – An electric field does work on a positive charge when the charge moves in the direction of the electric field • The charged particle gains kinetic energy equal to the potential energy lost by the charge-field system – Another example of Conservation of Energy A negative charge is placed at A
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Lecture%207%202220%20Spring%202009 - Test your response...

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