A conducting sphere is charged up such that the potential on its surface is 100 V (relative to infinity)
If the sphere's radius were twice as large, but the charge on the sphere were the same, what would be the potential on the surface relative to infinity?
A) 50 V B) 25 V C) 200 V D) 100 V
A
You might also like to view...
Photon Momentum: What is the wavelength of a photon having the same momentum as an electron that is traveling at 7.5 km/s? (h = 6.626 × 10-34 J ? s, melectron = 9.11 × 10-31 kg)
Fill in the blank(s) with the appropriate word(s).
Thermodynamic Processes: The figure shows a pV diagram for 8.3 g of ideal nitrogen gas N2 in a sealed container. The temperature of state 1 is 59°C, the atomic mass of the nitrogen atom is 14 g/mol, and R = 8.31 J/mol ? K. What are (a) pressure p1 and (b) temperature T2?
A. (a) 81 atm, (b) 660°C B. (a) 14 atm, (b) 660°C C. (a) 81 atm, (b) 120°C D. (a) 14 atm, (b) 120°C
The critical temperature to initiate the proton-proton cycle in the cores of stars is:
A) 3,000 K. B) 5,800 K. C) 2,300,000 K. D) 10 million K. E) 100 million K.
A hydrogen nucleus, which has a charge +e, is situated to the left of a carbon nucleus, which has a charge +6e. Which statement is true?
A) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is equal to the force exerted on the carbon nucleus. B) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is greater than the force exerted on the carbon nucleus. C) The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is less than the force exerted on the carbon nucleus. D) The electrical force experienced by the hydrogen nucleus is to the right, and the magnitude is equal to the force exerted on the carbon nucleus.