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 110 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
Wow, this really help


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Excellent

 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

For a complete list of videos, visit our video library