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

Author Question: A current in a long, straight wire produces a magnetic field. The magnetic field lines: a. go out ... (Read 187 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
A current in a long, straight wire produces a magnetic field. The magnetic field lines:
 a. go out from the wire to infinity.
  b. form circles that go around the wire.
  c. come in from infinity to the wire.
  d. form circles that pass through the wire.

Question 2

A ping-pong ball has an average density of 0.140 g/cm3 and a diameter of 3.80 cm. What force would be required to keep the ball completely submerged under water?
 a. 0.484 N
  c. 0.516 N
  b. 0.242 N
  d. 0.258 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ju

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


RRMR

  • Member
  • Posts: 557
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The FDA recognizes 118 routes of administration.

Olenoides erratus from the Mt. Stephen Trilobite Beds (Middle Cambrian) near Field, British Columbia Olenoides erratus from the Mt. Stephen Trilobite Beds (Middle Cambrian) near Field, British Columbia
Long-Term Potentiation Long-Term Potentiation
The features found in a long bone. The features found in a long bone.
Calculate the net field at the location of q 3 Calculate the net field at the location of q 3
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 ...
How many electrons flow past a given cross section of the wire in 10.3 min? electrons How many electrons flow past a given cross section of the wire in 10.3 min? electrons
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library