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- 1. The main difference between an insulator and conductor is that:a. an insulator cannot obtain a net electric chargeb. an insulator will not allow charges to flow freelyc. a conductor will obtain only net negative chargesd. a conductor will not emit an electric fielde. a conductor will not allow charges to flow freelyQuestion 2 A 43.8 cm long rod has a nonuniform charge density given by the equation A(z) = Ae-2/b, where A = 2.50 nC/cm and b= 14.0 cm. What is the total charge on the rod? Hint: This problem requires integration! + + + + ++ Total charge on rod: +Use Gauss's law to find the electric field at the field point in the following case. The distance between the field point and the surface of the conductor is d. A semi-infinitely large conductor with surface charge density o. Field point d х Conductor
- In Configuration 1 below, what is the magnitude of the predicted electric field at point b? Point b is 2.00 m from the +3.00 nC charge (this is also in your lab procedure). Pt. a Pt. b Pt. c +3 nC figure 1 a Your answer should: Be in the Correct SI Units of N/C Be rounded to 2 Decimal Places For this problem you can't enter a number in Scientific Notation (the program doesn't allow it). For example: 2.06 x 102 would be written as 206.00An 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.Insulator Conductor 9. A solid, insulating sphere of radius a shown in figure has a total charge -2Q . Concentric with this sphere is a conducting hollow sphere with a total charge 3Q whose inner and outer radii are b and c, as shown in Figure. a) Using Gauss Law find the magnitude of electrical field in the region r>c. The Gaussian surfaces used should be shown on the figure. The steps followed while applying Gauss's law should be written in detail. b) Write the magnitude of the electric field in the region b