A garage is illuminated by a single incandescent light bulb dangling from a wire. The bulb radiates light uniformly in all directions and consumes an average electrical power of 100 W. Assume that 5.00% of the electrical power consumed by the bulb is converted to light. (a) (b) What is the average intensity of the light at a distance of 2.00 m from the bulb? What are the rms values of E and B at a distance of 2.00 m from the bulb? Calculate the energy density of the light in J/m.

A garage is illuminated by a single incandescent light bulb dangling from a wire. The bulb radiates light uniformly in all directions and consumes an average electrical power of 100 W. Assume that 5.00% of the electrical power consumed by the bulb is converted to light. (a) (b) What is the average intensity of the light at a distance of 2.00 m from the bulb? What are the rms values of E and B at a distance of 2.00 m from the bulb? Calculate the energy density of the light in J/m.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.1MCQ: The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax

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