l T-Mobile LTE * 12% 4:14 PM webassign.net Show My Work (Optional) An electric f
ID: 3308629 • Letter: L
Question
l T-Mobile LTE * 12% 4:14 PM webassign.net Show My Work (Optional) An electric field of intensity 3.7 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true (a) The plane is parallel to the yz-plane. NA m2/c (b) The plane is parallel to the xy-plane. NA m2/c (c) The plane contains the y-axis, and its normal makes an angle of 45.0 with the x-axis. Show My Work (optionalo Oppositely charged parallel plates are separated by 5.33 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates? N/C (b) What is the magnitude of the force on an electron between the plates? (c) How much work must be done on the electron to move it to the negative plate if it is initially positioned 2.94 mm from the positive plate? Show My Work (optiona)e A potential difference of 76 mV exists between the inner and outer surfacesExplanation / Answer
4. (A) flux = E.A = E A cos(theta)
theta = 0 deg
flux = (3.7x 10^3)(0.350 x0.7)cos0
= 906.5 N m^2 / C
(B) theta = 90 deg
and cos90 = 0
flux = 0
(C) theta = 45 deg
flux = EAcos45
= 641 N m^2 / C
5. (A) E = V /d = (600) / (5.33 x 10^-3 m)
= 112570 N/C
(B) F = q E = 1.80 x 10^-14 N
(C) Work done = q delaV = q E d
= (1.6 x 10^-19) (112570 x (5.33 - 2.94) x 10^-3)
= 4.30 x 10^-17 J
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