Author Question: The permeability of air is ________. A) 19.2 B) 1 C) 7 D) 22 ... (Read 45 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
The permeability of air is ________.
 
  A) 19.2 B) 1 C) 7 D) 22

Question 2

How does the magnetic field change around a conducting wire if the current increases?
 
  A) The field grows weaker.
  B) It is impossible to predict.
  C) The field grows stronger.
  D) There is no magnetic field around a conducting wire.



Harbringer

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

For a complete list of videos, visit our video library