Two very long, uniformly charged lines are situated near each other with linear charge densities and distances given in the illustration. What is the correct expression for the electric field at point P in the illustration? P -λ A. B. C. D. E. 3 d 3. d -22 3 d -1. 27 d TE d 2d 2
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- 7 I Two 10-cm-diameter charged rings face each other, 20.0 cm apart. Both rings are charged to +20.0 nC What is the electric field strength: 23 W mmand E 30 S D C $ R F T 96 5 V T G 6 B ▾ Part A at the midpoint between the two rings? Express your answer with the appropriate units. Value Submit Part B Submit HA Value Provide Feedback at the center of the left ring? Express your answer with the appropriate units. H 7 HÅ MacBook Air Request Answer Request Answer N U Units 8 J C Units 1 Ba M ( 9 ? ? MOSISO O O K L P - command { ? option Next >please help asap!A metal sphere of radius 30 cm has a net charge of 30.0 nC. What is the magnitude of the electric field near the sphere's surface? a. O1500 N/C b. O2000 N/C c. 03000 N/C d. O4000 N/C
- An electron orbits around a proton in a hydrogen atom. The position of the electron at one moment is shown in the sketch. What is the direction of Auraria Library electric field at the position of electron due to the proton? Answer choices are given as A, B, C and D in the sketch. electron e- > A. C .llA particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 23.0 cm. The spherical shell carries charge with a uniform density of -3.31 µC/m3. A proton moves in a circular orbit just outside the spherical shell. Calculate the speed of the proton. 6.644e4 Your response is off by a multiple of ten. m/sA PVC rod is rubbed with fur. During the process 5 x 1010 electrons are transferred from the fur to the rod. What is the net charge of the fur? A. +8.0 nC В. -8.0 nC С. +50 nC D. -50 nC
- An electron is aligned horizontally a few nanometers apart from an unknown charge. The unknown charge is attracted to the electron due to electrical attraction. The unknown charge might be a. an electron b. a proton c. a neutron d. either a proton or a neutron e. either a proton or an electronA +7 nC charge is located 3.2 meters to the right of a +6 nC charge. Determine the magnitude of the electric field at the midpoint of the two charges. Express your answer as a positive number in N/C.A very large plane of charge with o= 4.0x10 c/m² lies in the y-z plane. A single charge Q=3.0x 10 C lies on the +x axds at x- 2.0 m. The electric field in N/C at x=5.0 m has the value a. 104. b. 226. c. 300. d. 526. e. 752.
- A thin charged rod is on the x-axis between x=2 and x=4 meters as shown.The rod has net charge Q uniformly distributed over its length L.Q = +5.00 E-09 coulombs L = 2.00 meters Point P = (3.00, 2.00) metersCalculate the size of the electric field at Point P due to the charged rod.Four point charges are placed at the corners of a square as shown in the figure. Each side of the square has length 1.0 m. Determine the magnitude of the electric field at the point P, the center of the square. (note Q = 0.15 C) a. no answer is correct b. 5.0 x 10 4 N/C c. 3.6 x 10 4 N/C d. 3.6 x 10 9 N/C e. 5.4 x 10 9 N/CA mineral oil-filled capacitor is connected to a 9V battery. The capacitor is leaking oil while it remains connected to the battery. Consequently, we can expect this to happen as the capacitor continues leaking. O a. The electric field E between the plates will become stronger. O b. The electric flux density D in the capacitor will become weaker. c. The electric flux density D between the plates will become stronger. O d. The charge Q accumulated in the capacitor will remain the same.