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 215 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
Wow, this really help

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Faulty outlooping produces lambda phage containing bacterial DNA Faulty outlooping produces lambda phage containing bacterial DNA
Components of a long bone. The entire long bone is on the left side accompanied by a blowup of the p Components of a long bone. The entire long bone is on the left side accompanied by a blowup of the p
Homeschooling has come a long way. These children are performing in a musical at the annual ... Homeschooling has come a long way. These children are performing in a musical at the annual ...
Lines of the posterior thorax Lines of the posterior thorax
Examples of how the recessive gene for straight hair passes from parents to children Examples of how the recessive gene for straight hair passes from parents to children
Perform the indicated division (long division polynomials) Perform the indicated division (long division polynomials)
Video: Enzyme-Catalyzed Reactions

For a complete list of videos, visit our video library