This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An capacitor consists of two large parallel plates of area A separated by a very small distance d. ... (Read 57 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jul 29, 2018
An capacitor consists of two large parallel plates of area A separated by a very small distance d. This capacitor is connected to a battery and charged until its plates carry charges +Q and -Q, and then disconnected from the battery.
 
  If the separation between the plates is now doubled, the potential difference between the plates will A) double.
  B) quadruple.
  C) be cut in half.
  D) be cut in fourth.
  E) not change.

Question 2

How many joules of energy are used by a 1.0-hp motor that runs for 1.0 hour? (1 hp = 746 W)
 
  A) 3.6 kJ
  B) 2.7 MJ
  C) 45 kJ
  D) 4.8 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kingfahad97

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

B


Capo

  • Member
  • Posts: 545
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Although large, the cougar is more closely related to smaller felines. Although large, the cougar is more closely related to smaller felines.
The small intestine. Anterior view of the abdominopelvic cavity illustrating how the three sections The small intestine. Anterior view of the abdominopelvic cavity illustrating how the three sections
DNA consists of two complementary strands wound around each other to form DNA consists of two complementary strands wound around each other to form
The Ventral Tegmental Area and the Nucleus Accumbens The Ventral Tegmental Area and the Nucleus Accumbens
Four areas of secondary motor cortex—the supplementary motor area, the premotor cortex, and two ... Four areas of secondary motor cortex—the supplementary motor area, the premotor cortex, and two ...
A parallel arrangement of strands b-sheets A parallel arrangement of strands b-sheets
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library