Author Question: The magnetic field and the number of turns of a coil of wire are doubled, while its area is reduced ... (Read 60 times)

bb

  • Hero Member
  • *****
  • Posts: 544
The magnetic field and the number of turns of a coil of wire are doubled, while its area is reduced by a factor of 2. Assuming that all the other parameters remain the same, what happens to the induced emf in that coil of wire?
 
  A) It is doubled.
  B) It is reduced by a factor of 2.
  C) It is quadrupled.
  D) It is reduced by a factor of 4.
  E) It stays the same.

Question 2

The heat required to change a substance from the liquid to the vapor state is referred to as the
 
  A) heat of fusion.
  B) heat of vaporization.
  C) heat of evaporation.
  D) heat of condensation.
  E) heat of melting.



ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library