problems_30

# problems_30 - PHY2061 R. D. Field Chapter 30 Problems...

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PHY2061 R. D. Field Problems Chapter 30 Page 1 of 2 Chapter 30 Problems Problem 1: What is the capacitance C of a solid spherical conducting shell with inner radius R and outer radius 2R ? Problem 2: An energy of 9.0x10 -3 Joules is stored by a capacitor that has a potential difference of 85 Volts across it. Determine the capacitance of the capacitor ( in microF ). Problem 3: Capacitor #1 with capacitance C and initial charge Q is connected in parallel across an initially uncharged capacitor with capacitance 2C ( #2 ). After the system comes to equilibrium, what is the charge on capacitor #1 ? Problem 4: A charged conducting sphere with a radius of 5 cm has a potential of 8 kilovolts relative to infinity. What is the electric field energy density (in J/m 3 ) at a point near the surface outside the conductor? Problem 5: The electric field energy density near the surface of an isolated charged conducting sphere with a radius of 5 cm is 0.1 J/m 3 . What is the electric potential ( in kiloVolts ) at the center of the conductor?

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## This note was uploaded on 05/31/2011 for the course PHY 2061 taught by Professor Fry during the Spring '08 term at University of Florida.

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problems_30 - PHY2061 R. D. Field Chapter 30 Problems...

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