This topic contains a solution. Click here to go to the answer

Author Question: The heating element of a toaster is a 5.4-m length of nichrome wire of diameter 0.48 mm. The ... (Read 101 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
The heating element of a toaster is a 5.4-m length of nichrome wire of diameter 0.48 mm. The resistivity of nichrome at the operating temperature of the toaster is 1.3  10-6   m.
 
  The toaster is designed to operate at a voltage of 120 V. How much power does it draw in normal operation?
  A) 370 W
  B) 360 W
  C) 380 W
  D) 400 W
  E) 410 W

Question 2

A coating is being applied to reduce the reflectivity of a pane of glass to light with a frequency of 5.75  1014 Hz that is incident normally on the pane.
 
  If the material has an index of refraction of 1.375 and the glass has an index of refraction of 1.537, what is the minimum thickness the coating should have? (c = 3.00  108 m/s)
  A) 60.0 nm B) 80.1 nm C) 65.2 nm D) 145 nm E) 94.9 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcomstock09

  • Sr. Member
  • ****
  • Posts: 377
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




vinney12

  • Member
  • Posts: 586
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library