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

Author Question: Changing the magnetic field intensity in a copper coil induces A) current. B) voltage. C) both ... (Read 189 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
Changing the magnetic field intensity in a copper coil induces
 
  A) current.
  B) voltage.
  C) both of these
  D) none of the above

Question 2

The intensity level of a Super-Silent power lawn mower at a distance of 1.0 m is 100 dB. You wake up one morning to find that four of your neighbors are all mowing their lawns using identical Super-Silent mowers.
 
  When they are each 20 m from your open bedroom window, what is the intensity level of the sound in your bedroom? You can neglect any absorption, reflection, or interference of the sound. The lowest detectable intensity is 1.0  10-12 W/m2. A) 80 dB
  B) 104 dB
  C) 400 dB
  D) 50 dB
  E) 40 dB



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

Awesome job my friend

Answer to Question 2

A




RODY.ELKHALIL

  • Member
  • Posts: 591
Reply 2 on: Jul 29, 2018
Excellent


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

For a complete list of videos, visit our video library