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 159 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
Excellent


carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

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

For a complete list of videos, visit our video library