nagle_phys2020_fa07_lecture10

nagle_phys2020_fa07_lecture10 - Clicker Question A set of...

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1 Clicker Question A set of equipotential lines are shown below. Each equipotential line is 2 meters from the nearest-neighbor equipotential. What is the approximate electric field at point A? A 10V 8V 6V 4V A) 1.0 Volts/m in –x direction B) 1.0 Volts/m in +y direction C) 2.0 Volts/m in +x direction D) 2.0 Volts/m in –y direction E) None of the above x y Professor Kapteyn has office hours 2:30 – 3:30 pm Thursday 3:00 – 4:00 pm Friday And then they will stay as 3-4 pm Thursday,Friday in the future. 36 Examination #1 – Tuesday, September 25 at 7:30 pm Room G1B30 – seating chart Closed book, Closed Notes, No Calculators… 37 38 Last time we related electric field and electric potential. x x V E ˆ Δ Δ = v r E V v v Δ = Δ Voltage (electric potential) is like elevation. Electric field is like a steepness vector. 39 An electric field of 500 V/m is desired between two parallel plates 10.0 mm apart. How large a Voltage should be applied?
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nagle_phys2020_fa07_lecture10 - Clicker Question A set of...

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