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

Author Question: A material is a good conductor because it A) has numerous free electrons. B) has ... (Read 86 times)

drink

  • Hero Member
  • *****
  • Posts: 554
on: Jul 29, 2018
A material is a good conductor because it
 
  A)
 
  has numerous free electrons.
  B)
 
  has unattached protons.
  C)
 
  is not an insulator.
  D)
 
  is an insulator.
  E)
 
  is a metal.

Question 2

A 60-W bulb is operating at an efficiency of 6.20. What is the number of photons per second given off by the bulb assuming the wavelength of light to be 580 nm?
 
  A)
 
  5.42  1018 photons/s
  B)
 
  10.8  1018 photons/s
  C)
 
  16.2  1018 photons/s
  D)
 
  21.7  1018 photons/s
  E)
 
  25.3  1018 photons/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ky860224

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

B


drink

  • Member
  • Posts: 554
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Hershey and Chase experiment showing that the genetic material of T2 phage is DNA Hershey and Chase experiment showing that the genetic material of T2 phage is DNA
Material safety data sheets (MSDS), now called safety data sheets (SDS), should be readily available ... Material safety data sheets (MSDS), now called safety data sheets (SDS), should be readily available ...
A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ... A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ...
Rice noodles are a good gluten-free substitute for pasta Rice noodles are a good gluten-free substitute for pasta
Growing Interest in Sugar-Free Foods and Beverages Growing Interest in Sugar-Free Foods and Beverages
Dolly, a Finn Dorset sheep cloned from the genetic material o Dolly, a Finn Dorset sheep cloned from the genetic material o
Video: Bone cells and tissues - tissue composition and cells

For a complete list of videos, visit our video library