Question

Cassignment 16 of 22 Problem 20.6 a Rovio Aparate plate capacity has plates separated by 072 Part A If the electric fold between the plates has a magnitude of 1340% V/m what is the potential difference between the plates Express your answer using two significant figures. ΡΑ ΑΣφ V AV Sub Beat Answer Part the electric field between the plates has a magnitude of 3 210' N/C what is the potential difference between the plates Express your answer using two significant figures ΤΕΙΑΣ AV

Answer 1

Separation between the plates, de 0.72 mm 0.72x10 3 mi 2. w 4 · The relationship between potential difference, v between two plates and Electric field , E betullen the blates separated by a distanced is & DV= Ed d & E= 1.3 X 105 V/m d=0.72x 103 m л ET AV 9 do < DV = 1.3 x 105x0.72 x 103 DV = 93.6 Volts =0.936X102 V in E = 3.2x 10+ N/c d= 0.72 x 10 m

1 2 since 1m 2 Z Note that units of E are in newton per i coulomb, /e 1 M force on the charge is C 3 same no matter where located between between the capacitor plates because electric field is unifonni between the plates AV = Ed = (3.2x104 Vm) (0.72x103 m) DV = 2.30u xlov = 23.04 Volts the charge charge is 7 4 5 so 6