amberdavis8342 amberdavis8342

23-12-2017
Physics

contestada

You short-circuit a 9 volt battery by connecting a short wire from one end of the battery to the other end. if the current in the short circuit is measured to be 18 amperes, what is the internal resistance of the battery?

Respuesta :

IssacAsimov IssacAsimov

23-12-2017

The internal resistance of the battery will be = 9/18 = 0.5 Ω

Answer Link

23-12-2017

R = V / I .

R = (9 v) / (18 A) = 0.5 ohm . (Measure fast. The battery is dead in about 1/2 a second when you do this.)

Answer Link

Otras preguntas

Find the number of sides of a regular polygon if its central angle measures 35 degrees

Which of the following structures can be found in a prokaryote? A. chloroplast B. endoplasmic reticulum C. flagella D. mitochondria

To make cheesecake you need about 21/2pounds of creamcheese how many pounds of cream cheese will you need to make 2 cheesecakes

51. Woodrow Wilson appeared to support this issue during his campaign, but during his presidency, he did more to support those who opposed fair trade. an income

Read the excerpt below and answer the question. "Shoot all the bluejays you want, if you can hit ‘em, but remember it's a sin to kill a mockingbird." What c

Napolean went on a bus trip, traveling at a speed of 55 miles per hour for 4 hours. Which equation will help you find the distance he traveled? A. 55miles/ 1h

Which of the following statements is true? a. sin 30° = cos 30° b. sin 35° = cos 55° c. sin 60° = cos 60° d. sin 55° = cos 25°

What did the shrine at the temple of Apollo in Delphi look like and what happened there.

The pattern created by the end rhymes in a poem is called _____. A. stanza B. meter C. rhyme scheme D. end rhyme

what is the first quartile