miaboone8149 miaboone8149

16-10-2018
Physics

contestada

A bulb in a circuit has a resistance of 3.5 ohms. The circuit has a voltage of 7 V. What is the power output of the bulb?

Respuesta :

16-10-2018

Power is voltage square divided by resistance.

P = U^2 / R

P = 7*7 / 3.5 = 49 / 3.5

P = 14 watts

Answer Link

Otras preguntas

what does the term equilibrium refer to? a. the resting position of the wave b. the highest point in the wave c. the lowest point of the wave d. the next subseq

A model train has an engine and five boxcars. The engine is 14 cm long and each boxcar is 9cm long. There is a 1 cm space between cats. How long is the train

What is the greatest common factor of 35 and 63

What was a major difference between the Knights of Labor and the American Federation of Labor?

Read this excerpt from a letter by Civil War soldier Sullivan Ballou: I have no misgivings about, or lack of confidence in the cause in which I am engaged, and

What are the decorative arts? What is an example of a decorative art?

Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?

Debra and Ian shared in $1,000,000 estate. If Ian received $125,000 and debra the rest, what fraction of the estate did Debra receive?

two Plus the sum of three and a number

how to do these problems