The figure of a Capacitor The figure below shows a capacitor. Two parallel plates separated by empty space. A potential

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The Figure Of A Capacitor The Figure Below Shows A Capacitor Two Parallel Plates Separated By Empty Space A Potential 1 (79.53 KiB) Viewed 56 times

The figure of a Capacitor The figure below shows a capacitor. Two parallel plates separated by empty space. A potential difference has been placed between the plates such that one side has excess negative charges while the other has excess positive charges. Use this figure for Problems 4 and extra credit below. OV 3.0 mm 300 V 100 V 200 V Problem 4. Electric Potential and Electric Field in a capacitor (2 pts) a) Calculate the magnitude and direction of the electric field inside the parallel plate capacitor. b) If you place a proton (charge= +le, mass= 1.67 x10?'kg) at the center of this parallel plate capacitor (halfway between the plates), what is its potential energy? note: le=1.6x10''c c) Would the proton move towards the 100V equipotential line or the 200V line? Use conservation of energy to find its velocity when it reaches the correct equipotential line. d Which plate night or left) is the plate with the excess positive charges? Explain. ho EXTRA CREDIT a) Find the proton's acceleration (magnitude and direction). Hint: Use the Electric field. b) Recall that a = der how long would the proton take to reach the equipotential line indicated in part d? c) If the charge stored in the plates of the capacitor is 4.5X10pc (u is for micro=x109, what is the capacitive of the capacitor? d) Calculate the area of the plates,