Assume that the brightness of an ohmic light bulb with resistance R is directly proportional to the power it dissipates. If we connect it to the plates of a charged capacitor with capacitance C at time t = 0, by what factor is it dimmer at time t = 2RC than its initial brightness?
A. 1/2
B. 1/4
C. 1/2e
D. 1/e2
E. 1/e4
F. Some other factor (specify)
E. 1/e4
Physics & Space Science
You might also like to view...
Gold has a melting temperature of 1063?C and a latent heat of fusion of 12,700 J/mole.
Physics & Space Science
_____ is absorbed by water vapor in Earth's lower atmosphere
A) Long-wavelength infrared radiation B) Long-wavelength ultraviolet radiation C) Radio wave radiation D) X-ray radiation
Physics & Space Science
The point in time when the expansion of the universe began is referred to the
A) big crunch B) cosmic detonation event C) big bang D) big blowup
Physics & Space Science
What is the astronomical significance of 26,000 years?
What will be an ideal response?
Physics & Space Science