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

Author Question: Two long, parallel wires carry currents of 20.0 A and 10.0 A in opposite directions (Fig. OQ30.9). ... (Read 65 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jul 28, 2018
Two long, parallel wires carry currents of 20.0 A and 10.0 A in opposite directions (Fig. OQ30.9). Which of the following statements is true? More than one statement may be correct.
 
  1.In region I, the magnetic field is into the page and is never zero.
  2.In region II, the field is into the page and can be zero.
  3.In region III, it is possible for the field to be zero.
  4.In region I, the magnetic field is out of the page and is never zero.
  5.There are no points where the field is zero.

Question 2

How long does it take for the Moon to go from new phase to first-quarter phase?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bigfoot1984

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 28, 2018
Answer to Question 1

3,4

Answer to Question 2

About 7 3/8 days


dmcintosh

  • Member
  • Posts: 517
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant
The Role of Summation in Long-Term Potentiation The Role of Summation in Long-Term Potentiation
When young infants hold objects for a long period of time they eventually become habituated to them. When young infants hold objects for a long period of time they eventually become habituated to them.
A ring link network reduces the number of wires it takes to interconnect all of the modules. A ring link network reduces the number of wires it takes to interconnect all of the modules.
Clear the lower leg with long strokes. Start proximal to the ankle, and stroke to the knee and ... Clear the lower leg with long strokes. Start proximal to the ankle, and stroke to the knee and ...
Foods and beverages that contain aspartame must carry a warning label Foods and beverages that contain aspartame must carry a warning label
Video: Introduction to Cystic Fibrosis

For a complete list of videos, visit our video library