F - Working with Surfaces 1) Three common sur hree common surfaces are shown in Fig...
Two hemispherical surfaces, 1 and 2, of respective radii r1 and r2, are centered at a point charge and are facing each other so that their edges define an annular ring (surface 3), as shown. The field at position r⃗ due to the point charge is: E⃗ (r⃗ )=Cr2r^ where C is a constant proportional to the charge, r=∣∣r⃗ ∣∣, and r^=r⃗ /r is the unit vector in the radial direction. a- What is the electric flux Φ3 through the annular...
and : No charur inside but there are charges outside the closed (TLC) Distinguishing between and : No producing an electric field. A cubie Gaussian surface with a side has two horizontal faces and is in a uniform electrie field of 30 N/C which is directed vertically upward. (1) Find the net electric flux through the cube. (Hint: If there are equal numbers of field lines going into and out of a CLOSED surface, the net flux through the surface...
8. At every point on the surface of a sphere of radius 0.4 m the electric field is radially outward, with a magnitude of 20N/C. What is the flux through the spherical surface? 9. The flux through an imaginary spherical sur- face is 12 Nm2/C (a) What can you conclude about the charge within this surface? (b) What can you conclude about the charge within the spherical surface if, in addition, the electric field is radial, with the same magnitude...
1) Consider Fig. 12, which shows an infinite line of charge which contains a uniform charge of a coulombs in every meter. You will now use Gauss' Law to derive an equation for the electric field around a line of charge. Fig. 12 Describe the electric field in the region surrounding the charge. (Draw a few sample lines) Is this electric field symmetrical (spherically, cylindrically... Using this information, choose a notional surface enclosing one meter of the line of charge...
2. The image shown is taken from the text book why n danger a) The electric feld could have broken down and her hair air surrounding her and she would have b) b) The electric field was about to cause a breakdown in the suffocated in the surrounding air and an upward streamer lightning bolt from a pessing cloud c) The electric field surrounding her would soon attract a downward d) The electric field was a would have resulted 8....
Part A.) The electric flux through a spherical surface is 4.0\times 10^4~\text{N}\cdot\text{m}^2/\text{C}4.0×10 4 N⋅m 2 /C. What is the net charge enclosed by the surface? Part B.) The electric field 10.0 cm from the surface of a copper ball of radius 5.0 cm is directed toward the ball’s center and has magnitude 9.0*10^2N/C. How much charge is on the surface of the ball? Select the correct answer a.) 2.2*10^{-10} . b.)-1.25*10^{-10} . c.)-1.0* 10^{-9} . d.)-4.5* 10^{-10) ....
1. (3 points) A charge is at the center of a cube of side length a . What is the electric flux through the cube due to this charge? 2. (3 points) A charge Q is a distance b above the center of the top face of a cube of side length a. (Note: This charge is outside of the cube.) What is the electric flux through the cube due to this charge? 3. (4 points) A parallel plate capacitor...
1.120 pts) Three resistors are placed in a circuit as shown. What is the equivalent resistance between the points A and B? 60Ω 30Ω 2. 115 pts] A ring made of conductor swings across a region with uniform magnetic field B pointing into the paper as shown in the figure. Five positions are selected for a single swing from the left to the right. a. At which of the 5 positions, the magnetic flux is 0? 5 1, 2, 3,...
1. In case of Coulomb's law; F# (1/4τεο) (q1g/r') what should be the value of (1/4 mi? (a) 8.988 x 10° N-mIC (b) 8.854x10*C/N-m2 (c) 8.888 x 10 C2/N-m2 (d) None 2. The electric field (E) produced by a point charge (q) at a distance 'r is? (a) (4τεο) (qy2) (c1/r) (d) None Which is true for the electric field lines? (a) 3. They cross each other (b) They starts from-ve and ends at +ve charges (c) They measure electric...
1. Three different, small charged objects are placed as shown in the figure. Given q1 2e a-3e, and gs--Se, and that d 2.0 x 10 m, what is the net force on the middle charge ? Show appropriately scaled and labeled force vectors acting on q2 on the diagram Ke a Ke-1912) y i F-Fr Fret 24 9, 2e T 95--Se &-2.06-7 20-7 G.0E-21 43 -2d Fnct 1.29E -4 N E=(4/+3k)x10 N/C.What is its electric flux through a circular area...