Electric Potential and Conductors Two solid conducting spheres are connected wit

Question

Electric Potential and Conductors Two solid conducting spheres are connected with a long thin 10.0 meter wire. One sphere has a radius of 10.0 centimeters, and the larger sphere has a radius of 20.0 centimeters. The sphere with a 10.0 centimeter radius is held at an electric potential of 5.00 Volts. What is the electric potential of the larger sphere? 2.50 Volts 5.00 Volts 10.0 Volts 20.0 Volts Fundamental Aspects of Capacitance The two plates of a capacitor hold +2500 mu C and -2500 mu C of charge, respectively, when the potential difference is 850 V. What is the capacitance? 4.56 F 2.42 mF 2.94 mu F 1.78 nF

Explanation / Answer

(12) ans

Given that

charge Q=2500*10^-6 C

potential difference V=850 V

basing on the concept of electric potential and capacitance

now we find the capacitance

capacitance C=2500*10^-6/850=2.94*10^-6 F

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