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

Author Question: A long, straight wire carries a current I (Fig. OQ30.8). Which of the following statements is true ... (Read 195 times)

dakota nelson

  • Hero Member
  • *****
  • Posts: 604
on: Jul 28, 2018
A long, straight wire carries a current I (Fig. OQ30.8). Which of the following statements is true regarding the magnetic field due to the wire? More than one statement may be correct.
 
  1.The magnitude is proportional to I/r, and the direction is out of the page at P.
  2.The magnitude is proportional to I/r2, and the direction is out of the page at P.
  3.The magnitude is proportional to I/r, and the direction is into the page at P.
  4.The magnitude is proportional to I/r2, and the direction is into the page at P.
  5.The magnitude is proportional to I, but does not depend on r.

Question 2

What phase follows directly after the new phase of our Moon?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Koolkid240

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 28, 2018
Answer to Question 1

1

Answer to Question 2

Waxing crescent


dakota nelson

  • Hero Member
  • *****
  • Posts: 604
Reply #2 on: Jul 28, 2018
TY


Koolkid240

  • Sr. Member
  • ****
  • Posts: 357
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Current Positions of Known Dwarf Planets and SSSBs in the Outer Solar System Current Positions of Known Dwarf Planets and SSSBs in the Outer Solar System
Transformation and Evolution of a Long-Period Comet Transformation and Evolution of a Long-Period Comet
The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ... The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ...
Long-range forecasts Long-range forecasts
In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ... In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ...
Long division of polynomials Long division of polynomials
Video: Exercise and cardiac output & Definition of stroke volume

For a complete list of videos, visit our video library