1. An electric field with a magnitude of 3.50 x 10' N/C is applied along the x- axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m assuming that (a) the plane is parallel to the yz plane; (b) the plane is parallel to the xy plane; (c) the plane contains the y-axis, and its normal makes an angle of 40.0° with the x-axis. JAns: (a) 858 Nm²/C (b) 0 (c) 657 Nm²/C] 2. A 40.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in posifion is measured to be 5.20x10 Nm²/C. What is the magnitude of the electric field? [Ans: 4.14 x 10°N/C] 3. The following charges are located inside a submarine: 5.00 µC ,–9.00 µC ,27.0 µC, and – 84.0 µc . (a) Calculate the net electric flux through the hull of the submarine, (b) Is the number of electric field lines leaving the submarine greater than, equal to, or less than the number entering ite (Ans: (a) -6.89 x10“ Nm²/c² (b) Since the net electric flux is negative, more lines enter than leave the surface.]

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Chapter23: Continuous Charge Distributions And Gauss's Law
Section: Chapter Questions
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1. An electric field with a magnitude of 3.50 x 10' N/C is applied along the x-
axis. Calculate the electric flux through a rectangular plane 0.350 m wide
and 0.700 m assuming that (a) the plane is parallel to the yz plane; (b) the
plane is parallel to the xy plane; (c) the plane contains the y-axis, and its
normal makes an angle of 40.0° with the x-axis.
[Ans: (a) 858 Nm2 /C (b) 0 (c) 657 Nm² /C]
2. A 40.0 cm diameter loop is rotated in a uniform electric field until the
position of maximum electric flux is found. The flux in position is measured
to be 5.20x10 Nm² /C. What is the magnitude of the electric field? [Ans:
4.14 x 10°N/C]
3. The following charges are located inside a submarine:
5.00 µC , –9.00 µC , 27.0 µC, and – 84.0 µC . (a) Calculate the net electric flux
through the hull of the submarine, (b) Is the number of electric field lines
leaving the submarine greater than, equal to, or less than the number
entering it? [Ans: (a) -6.89 x10“ Nm²/c² (b) Since the net electric flux is
negative, more lines enter than leave the surface.]
Transcribed Image Text:1. An electric field with a magnitude of 3.50 x 10' N/C is applied along the x- axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m assuming that (a) the plane is parallel to the yz plane; (b) the plane is parallel to the xy plane; (c) the plane contains the y-axis, and its normal makes an angle of 40.0° with the x-axis. [Ans: (a) 858 Nm2 /C (b) 0 (c) 657 Nm² /C] 2. A 40.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in position is measured to be 5.20x10 Nm² /C. What is the magnitude of the electric field? [Ans: 4.14 x 10°N/C] 3. The following charges are located inside a submarine: 5.00 µC , –9.00 µC , 27.0 µC, and – 84.0 µC . (a) Calculate the net electric flux through the hull of the submarine, (b) Is the number of electric field lines leaving the submarine greater than, equal to, or less than the number entering it? [Ans: (a) -6.89 x10“ Nm²/c² (b) Since the net electric flux is negative, more lines enter than leave the surface.]
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