Light from an incandescent wire travels through a cool gas and is ...

[bobthebuilder]

Light from an incandescent wire travels through a cool gas and is then dispersed into a(n) ______________ spectrum.
 Fill in the blank(s) with correct word

Question 2

A long hollow cylindrical conductor (inner radius = 2.0 mm, outer radius = 4.0 mm) carries a current of 24 A distributed uniformly across its cross section. A long wire which is coaxial with the cylinder carries an equal current in the opposite direction. What is the magnitude of the magnetic field 3.0 mm from the axis?
 a. 0.82 mT
  b. 0.93 mT
  c. 0.70 mT
  d. 0.58 mT
  e. 0.40 mT

[moormoney]

Answer to Question 1

line absorption, or dark line

Answer to Question 2

b

[bobthebuilder]

Thanks for the timely response, appreciate it

[dreamfighter72]

TYSM