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

Author Question: How is a rock defined? ... (Read 35 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Jul 28, 2018
How is a rock defined?

Question 2

A solenoidal inductor for a printed circuit board is being redesigned. To save weight, the number of turns is reduced by one-half, with the geometric dimensions kept the same. By how much must the current change if the energy stored in the inductor is to remain the same?
  1.It must be four times larger.
  2.It must be two times larger.
  3.It should be left the same.
  4.It should be one-half as large.
  5.No change in the current can compensate for the reduction in the number of turns.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ApricotDream

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

A rock is any naturally occurring, solid mineral mass that makes up part of Earth's
lithosphere.

Answer to Question 2

2


notis

  • Member
  • Posts: 596
Reply 2 on: Jul 28, 2018
Excellent

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Atlatl mammoth ivory "creeping hyena", found in La Madeleine rock shelter, dated back to c Atlatl mammoth ivory "creeping hyena", found in La Madeleine rock shelter, dated back to c
Pacific hagfish trying to hide under a rock Pacific hagfish trying to hide under a rock
Elephant Rock Elephant Rock
Elbow milk–abdomen rock. Place your left hand under the recipient’s right elbow and lay your ... Elbow milk–abdomen rock. Place your left hand under the recipient’s right elbow and lay your ...
The Rock Cycle The Rock Cycle
Similar Rock Outcrops on Mars and Earth Similar Rock Outcrops on Mars and Earth
Video: Virtual Enzyme Kinetics & Lineweaver Burk Plot

For a complete list of videos, visit our video library