This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Metal detectors that locate metal beneath sand on a beach are activated by A) electric fields. ... (Read 84 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
on: Jul 29, 2018
Metal detectors that locate metal beneath sand on a beach are activated by
 
  A) electric fields.
  B) magnetic fields.
  C) electromagnetic induction.
  D) alternating current.

Question 2

When a bar magnet is thrust at the same speed into a coil having twice the number of loops, the induced voltage is
 
  A) half.
  B) the same, no different.
  C) twice as much.
  D) four times as much.
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


Engineer

  • Member
  • Posts: 527
Reply 2 on: Jul 29, 2018
Excellent

  • Member
  • Posts:
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Sand bathing. Sand bathing.
Testing Visual Fields by Confrontation: Visual Fields Range Testing Visual Fields by Confrontation: Visual Fields Range
Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent
The Russians planted a flag on the sea floor beneath the North Pole The Russians planted a flag on the sea floor beneath the North Pole
The Beach Boys - God Only Knows (Official Music Video) The Beach Boys - God Only Knows (Official Music Video)
A manufacturer of cat towers wishes to locate a super assembly facility to meet their cat tower ... A manufacturer of cat towers wishes to locate a super assembly facility to meet their cat tower ...
Video: Proteins

For a complete list of videos, visit our video library