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

Author Question: A 12.6-F isolated capacitor is constructed with Teflon, having a dielectric constant of 2.1, between ... (Read 69 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
on: Jul 29, 2018
A 12.6-F isolated capacitor is constructed with Teflon, having a dielectric constant of 2.1, between the plates. The capacitor is initially charged to 1.5 volts, and then the Teflon is removed.
 
  (a) How much excess charge was originally stored on the plates of the capacitor? (b) After removing the Teflon, what is the potential difference across the capacitor plates?

Question 2

The work function of a certain metal is 1.90 eV.
 
  What is the longest wavelength of light that can cause photoelectron emission from this metal? (1 eV = 1.60  10-19 J, c = 3.00  108 m/s, h = 6.626  10-34 J  s)
  A) 62.4 nm B) 14.0 nm C) 344 nm D) 654 nm E) 231 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jomama

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 19 C (b) 3.2 V

Answer to Question 2

D


berenicecastro

  • Member
  • Posts: 581
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Gorilla night nest constructed in a tree. Gorilla night nest constructed in a tree.
The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry
For this bimolecular reaction, the rate constant k is second order For this bimolecular reaction, the rate constant k is second order
Reaction at constant-volume Reaction at constant-volume
Arctic Ocean was isolated Arctic Ocean was isolated
A ship is being pulled through a harbor at constant velocity by two tugboats as shown in the ... A ship is being pulled through a harbor at constant velocity by two tugboats as shown in the ...
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library