Author Question: A battery and 5 identical bulbs are arranged as shown. What happens when switch S is closed? ... (Read 32 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
A battery and 5 identical bulbs are arranged as shown. What happens when switch S is closed?
 
  1.All 5 bulbs turn on with equal brightness.
  2.All 5 bulbs turn on, but they do not all have equal brightness.
  3.One of the bulbs does not turn on; the other 4 turn on with equal brightness.
  4.One of the bulbs does not turn on; the other 4 turn on, but they do not all have equal brightness.
  5.Two or more bulbs do not turn on.
  6.I have no idea

Question 2

Two batteries are used to light a bulb as shown. A third identical battery is connected by closing switch S. What happens to the bulb?
 
  1.The bulb goes out.
  2.The bulb gets noticeably dimmer.
  3.The bulb gets very slightly dimmer.
  4.The bulb's brightness stays the same.
  5.The bulb gets slightly brighter.
  6.The bulb gets noticeably brighter.
  7.Impossible to determine



joshbk44

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

3

Answer to Question 2

3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

For a complete list of videos, visit our video library