Author Question: When an electron goes from an excited state to the ground state, a. energy is absorbed. b. a ... (Read 22 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
When an electron goes from an excited state to the ground state,
 a. energy is absorbed.
  b. a photon is absorbed.
  c. a photon is emitted.
  d. none of these occur.

Question 2

A step-up transformer has an input voltage of 110 V (rms). There are 100 turns on the primary and 1500 on the secondary. What is the output voltage?
 a. 1 600 V (max)
  b. 1 650 V (rms)
  c. 3 260 V (max)
  d. 165 kV (rms)
  e. 7.3 V (rms)



chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

c

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library