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

Author Question: A 100-W light bulb is operated by a 110-V dc source. What is the resistance of this bulb? A) 240 ... (Read 111 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
A 100-W light bulb is operated by a 110-V dc source. What is the resistance of this bulb?
 
  A) 240  B) 6.0  10-3  C) 120  D) 100  E) 8.0  10-3

Question 2

In a single-slit diffraction experiment, the width of the slit through which light passes is reduced. What happens to the width of the central bright fringe?
 
  A) It becomes narrower.
  B) It stays the same.
  C) Its behavior depends on the wavelength of the light.
  D) It becomes wider.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

C

Answer to Question 2

D




littleanan

  • Member
  • Posts: 575
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library