Please answer Which of the following graphs represents the magnitude of the elec

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Which of the following graphs represents the magnitude of the electric field as a function of the distance from the center of a solid charged conduction sphere of radius R? Let Q denote charge, V denote potential difference, and U denote stored energy Of those quantities, capacitors in series must have the same: Q only V only U only Q and U only V and U only A cylinder has a radius of 2.1 cm and a length of 8.8 cm. Total charge 6.1 x 10 - 7 C is distributed uniformly throughout. The volume charge density is: 5.3 10 - 5C/m 3 5.3 10 - 5 C/m2 8.5 10 - 4 C/m3 5.0 10 - 3C/m3 6.3xl0 - 2C/m3 Each plate of a capacitor stores a charge of magnitude 1 mC when a 100-V potential difference is applied, The capacitance is: 5 F 10 F 50 F 100 F none of these

Explanation / Answer

16. D

17. A ( Q only)

18. D ( rho = Q/V = Q/(pir^2h)

19. B ( 10 uF)    apply C = QV

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