25. Electric Potential

Work From Electric Force

8.02x - Lect 4 - Electrostatic Potential, Electric Energy, Equipotential Surfaces

(a) B (b) 1.6 × 10-17 J (c) 5.95 × 106 m/s

(a) B (b) -1.6 × 10-17 J (c) 5.95 × 106 m/s

(a) A (b) 1.6 × 10-17 J (c) 5.95 × 106 m/s

(a) A (b) -1.6 × 10-17 J (c) 5.95 × 106 m/s

An electron moves from point A to point B. The potential difference between these two points is 100 V. What is&nbsp;a. the point of higher potential? b. the work done on the electron? c. the final speed of the electron if its initial speed is zero?

Work due to Electric Force

Speed of Electron in Electric Field

How much work does a <math display='inline'><mrow><mn>12</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">V</mi></mrow></math> battery do when it moves <math display='inline'><mrow><mn>2.4</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">C</mi></mrow></math> from the negative terminal to the positive terminal?

What is the speed of a proton that has been accelerated through <math display=“inline”><mrow><mn>2300</mn><mtext>&#x00A0;</mtext><mi mathvariant="normal">V</mi></mrow></math>?

What work is needed to assemble an equilateral triangle of side length 5 cm, with a 5µC charge at each vertex?<img src="https://static.studychannel-prd.pearsonprd.tech/courses/physics/thumbnails/images/c0a10740"alt=""/>

Electric Potential Energy and Potential Difference

Work to Bring Two Charges From Infinity

Work by the Electric Field

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