4. An infinite sheet of uniform charge per unit area o> 0 and an infinite sheet of equal and opposite uniform charge per unit area - are held a distance & apart: -σ ·1·.· A B C a) What is the electric field in regions A, B, and C? b) An electric dipole is placed in region B as shown below: -σ 60⁰⁰ d +q If q = 20 µC, o = 30 C, and d = 10-5 m what is the net force on the dipole? What is the net torque on the dipole (make sure to give a direction)? If the dipole starts from rest, will its dipole moment initially rotate clockwise or counter- clockwise? c) Again suppose the dipole starts from rest. The total energy of the dipole is conserved. How much kinetic energy will the dipole have when it reaches stable equilibrium
4. An infinite sheet of uniform charge per unit area o> 0 and an infinite sheet of equal and opposite uniform charge per unit area - are held a distance & apart: -σ ·1·.· A B C a) What is the electric field in regions A, B, and C? b) An electric dipole is placed in region B as shown below: -σ 60⁰⁰ d +q If q = 20 µC, o = 30 C, and d = 10-5 m what is the net force on the dipole? What is the net torque on the dipole (make sure to give a direction)? If the dipole starts from rest, will its dipole moment initially rotate clockwise or counter- clockwise? c) Again suppose the dipole starts from rest. The total energy of the dipole is conserved. How much kinetic energy will the dipole have when it reaches stable equilibrium
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Transcribed Image Text:4. An infinite sheet of uniform charge per unit area o> 0 and an infinite sheet of equal and opposite uniform charge per
unit area -o are held a distance & apart:
A
[·|
B
l
a) What is the electric field in regions A, B, and C?
b) An electric dipole is placed in region B as shown below:
-0
600l
+q
σ
If q = 20 µC, o = 30 HC, and d = 10-5 m what is the net force on the dipole? What is the net torque on the dipole
(make sure to give a direction)? If the dipole starts from rest, will its dipole moment initially rotate clockwise or counter-
clockwise?
c) Again suppose the dipole starts from rest. The total energy of the dipole is conserved. How much kinetic energy will
the dipole have when it reaches stable equilibrium
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