The figure below is a cross section of three non . plates conductor of infinite width, where the charge is evenly distributed. 01 02 (1/2) L . 2L R 03 The charge density on the surface of each plate is 1 = - 3µC/m2, 2 =+ 5µC/m2 , 3 =- 5µC/m2 , and L = 2 cm. In vector notation, what is the field net electricity at points P and R?
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- 4mm Q, 3 mm Smm FIGURE 1.1 FIGURE 1.1 shows a system of three point charges. and Q3 ) Calculate the electre potentral energy for the ystem.Consider a wire made of a good conductor with a length, L, radius, R, and a total charge of +Q. a. What assumptions can be made about area if the wire is very long? ? >> ? (Hint: recall surface area of a cylinder) b. Calculate the Electric Field at the surface of the conducting wire. Convert the final answer to units of “k”. Is this the same as the Electric Field of a point charge or a conducting sphere? Distance (r) Electric Field Strength (E) c. Calculate the Electric Flux at the surface of the wire. How does the Electric Flux of the wire compare the Electric Flux of the sphere? Why? d. Calculate the Electric Field strength at a distance, a (such that a > 0) away from the conducting wire. e. Calculate the Electric Flux at a distance, a (such that a > 0) How does the Electric Flux compare to the Electric Flux calculated in part c? f. What should be the Electric Field inside the wire?Beview I Conatacts Part A Aplatypus foraging for prey can detect an electric feld as smal as0.002 N/C. To give an idea of sensitivity of the platypus's electric sense, how tar from a10 nC point charge does the feld have this magnitude? Express your answer with the appropriate units HẢ r- 167.4 FOILA What is the strength of the electric field at the position indicated by the dot in (Elgure 1)7 Express your answer in newtons per coulomb. E- 9.67• 10-3 N/C Submit Previous Answers Beauest Answer figure 1 of 1> X Incorrect; Try Again; 4 attempts remaining 1.0 nC Part B 5.0 cm What is the direction of the electric field at the position indicated by the dot in the figure? Specity the direction as an angle above the horizontal line Express your answer in degrees. 5.0 cm 5.0 cm -1.0 nC Pearson
- The electric field strength at the surface of a flat negative electrode in 20° C salt water is 20 kV/m The field strength is 10 kV/m at a distance of 2.0 nm from the surface. Part A What is the electrode's surface charge density in nC/cm²? Express your answer in nanocoulombs per square centimeter. VAX 77- Submit Part B Bequest Answer co= ? What is the molarity of the salt solution? Assume the salt is NaCl Express your answer in terms of molarity. 195] ΑΣΦ nC/cm³ 2 MA glass rod that has been charged to +12.0 nC touches a metal sphere. Afterward, the rod’s chargeis +8.0 nC. In both cases the fractional uncertainty is 1%. a. What kind of charged particle was transferred between the rod and the sphere, and in whichdirection? That is, did it move from the rod to the sphere or from the sphere to the rod? b. How many charged particles were transferred? Give full explanationsThe electric field in terms of spherical coordinates is defined as follows: E = kr'r Here, k is the constant. .3 Obtain the expression for the charge density. (A) 5kɛ,r² (B) 2kɛ,r² (C) 4kɛ,r² (D) kɛ,r? Activat Go to RC
- Part A The lines show the equipotential contours in the plane of three point charges, Q1, Q2, and Q3. The values of the potentials are in kV as indicated for the +5, 0, and -5 kV contours. The positions of the charges are indicated by the dots. cm 1 Q₁. Volts 2 +5 Q3 The letters are on the equipotential contours. Q₂ # mDuring operation, a device sprays droplets of aqueous liquid of average diameter 100 µm and charge density p = 30 mC.kg¬1. 1. Express the mass of a droplet as a function of its diameter d and the mass density My of the liquid. 2. Assuming that the mass density of a hydroalcoholic solution is the same as that of water, calculate the mass of a droplet of sprayed liquid. 3. Express the charge Q of a droplet as a function of the charge density per unit mass p and the mass of that droplet. Deduce the average charge carried by a droplet using p= 30 mC.kg¬1. 4. Has the droplet lost or gained electrons ? How many electrons does this charge represent ? (CtrlAn irregular neutral conductor has a hollow cavity inside of it and is insulated from its surroundings. An excess charge of 18.0 nCnC is sprayed onto this conductor. 1.Find the charge on the inner surface of the conductor.Express your answer in nanocoulombs. 2.Find the charge on the outer surface of the conductor.Express your answer in nanocoulombs. 3.Without touching the conductor, a charge of -15.0 nCnC is inserted into the cavity through a small hole in the conductor. Find the charge on the inner surface of the conductor in this case.Express your answer in nanocoulombs. 4.Find the charge on the outer surface of the conductor in this case.Express your answer in nanocoulombs.
- Please show all steps to find the x-component of the electric field. Assume 3 significant figures.Ex1:- determine on expression for the volume charge density that gives rise to the field: a- D = e4*e-5ye-2z (2āx – 2.5āy – āz) b- D = e-2z(2pø āp + pāø – 2p²Øāz) -22 (2āxA sold sphere 20 cm in radus carries 14 pC, dibuted unity throughout ts volume. Find the electric field strength 10 cm from the show's Express your answer using two significant figures AZ O B₁- Submit Part B Subm Bequent Find the field angh 20 cm from the spe Express your answer using two significant figures. Part C AL A Fedtd amergh ces to the s Express your newer using two signant ? At ? MN/C MN/C MN/C