1. Point charges q, and q2 of +6nC located at the origin and -8nC located at (30 cm, 0) Calculate the electric field caused by q1, by q2 and the total field at point located at (15 cm, 20 cm).
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- A long cylinder of copper of radius 3 cm is charged so that it has a uniform charge per unit length on its surface of 3 C/m. (a) Find the electric field inside and outside the cylinder. (b) Draw electric field lines in a plane perpendicular to the rod.1.compute the electric field experienced by a negative test charge given the following conditions in a vacuum: A.Source charge: -4.33 x 10-12C Distance from source charge: 2.33 x 10-5 m B. Source charge: +6.75 x 10-15 C Distance from source charge: 4.6 x 10-19 m C. Source charge: +5.03 x 10-4 C Distance from source charge: 7.9 x 10-19 mQ1. a- a conducting sphere with radius 5 cm charged with 2 nC, find the electric field at 10 cm far from the center. b- an object charged with 4 C placed on electric field then it effect 28 N , find the magnitude of the electric field.
- 5) A charge Q is located inside rectangular box. The electric flux through each of the Six surfaces of the box is: . = + 1500N.m/C, = + 2200N.m/C,D = + 4600N.m/C,D 18 00N.mi/C, D= - 3500N.m/C, D= - 54 OON.mi/C D - - What is Q? %3D Eo=8.8 S krotz1. Point charges 9, = 12µC and q, = - 12µC are 0.08 m apart as shown in the Figure 1. %3! a) Compute the electric fields caused by q, , q, and the total field at point P on y-axis (E.E, E, = ?). b) Compute the force exerted on a test charge of q = - 5µC placed at point P. 10 cm 6 cm 92 8 cm Figure 1A spherical volume of radius 2 m is centered at the origin and contains an electric volume charge density of: Pv = 2/(r.sin0) (c/m³), What is the total charge contained in the sphere? Select one: O a. 7.895 C O b. 78.95 C C. None of these O d. 0.7895 C
- 1 Point charges q1 = 12µC and q2 = - 12µC are 0.08 m apart as shown in the Figure 1. a) Compute the electric fields caused by q1. q2 and the total field at point P on y-axis (E. E: E: ='). b) Compute the force exerted on a test charge of q = -5µC placed at point P. y 10 cm 6 cm 92 91 8 cm Figure 1It is known that the charge q1 = 36 x 10-9C at position (-3, 4, 2) μm, q2 = 27/2 x 10-9C and at position (-1, 2, 1) μm.Define:a. The magnitude of the electric force on charge q1 is affected by charge q2.b. Flux density D at q1.c. The electric field q2 with respect to position (-1, 2, 1) μm.d. Work to move charge q1 to position (-1, 4, 2) μm through electric field E = 2x âx - 6y ây.e. Potential difference q1 with respect to position (-1, 4, 2) μm passing through E = 2x âx - 6y ây. ..9) Consider a volume charge distribution (0.04 uC/m^3) fills a cube with 0.08m sides. Calculate the total electric flux through the surface of this cube? ɛ0=8.85x10^-12 S.I units * 1.8 N. m^2/C O 2.6 N. m^2/C O 2.9 N. m^2/C O 2.3 N. m^2/C O 2.0 N. m^2/C
- 3. If the flux through the plastic bag is -100 Nm²/C, what is the total charge inside the bag? Answer: -8.85x10-1º C 4. Calculate the electric flux through the top cap (shaded area) of the cylinder. Electric field in this region is E = (31 - 4j) N/C. r=15-. Answer: -0.283 Nm² /C 5. A point charge is located at the center of a Gaussian sphere of radius 14 cm. It produces an electric flux of 495 Nm²/C. What is the magnitude of the charge? Answer: 4.4 x10-9 C1. Compute the electric field experienced by a negative test charge given the following conditions in a vacuum: Hint: E = kg a. Source charge: -3.42 x 10-9 C Distance from source charge: 2.3 m b. Source charge: +1.78 × 10-11 C Distance from source charge: 4.5 m1. Point charges qı = 12µC and q2 = – 12µC are 0.08 m apart as shown in the Figure 1. a) Compute the electric fields caused by q, , ½ and the total field at point P on y-axis (E, E,, E, = ?). b) Compute the force exerted on a test charge of q = - 5µC placed at point P. y 10 cm 6 cm q2 91 8 cm Figure 1