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 205 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?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
Range of Motion of the Hip Joint, Flexion with Knee Straight Range of Motion of the Hip Joint, Flexion with Knee Straight
Varieties of Long-Term Memory Varieties of Long-Term Memory
A long, narrow cobbled street in Old San Juan. A long, narrow cobbled street in Old San Juan.
When a 2.75-kg fan, having blades 18.5 cm long, is turned off, its angular speed decreases ... When a 2.75-kg fan, having blades 18.5 cm long, is turned off, its angular speed decreases ...
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ... A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ...
Video: Causes of Acne

For a complete list of videos, visit our video library