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

Author Question: The magnetic field of a long, straight wire has a value B0 at a distance of r0 when the current is ... (Read 44 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Jul 28, 2018
The magnetic field of a long, straight wire has a value B0 at a distance of r0 when the current is I0. At a distance of 3.00 r0. what current is necessary to produce a field having the same strength B0 at this position?
  1. 1.73 I0
  2. 3.00 I0
  3. 9.00 I0
  4. More information is needed.

Question 2

In a mass spectrometer where ions are fired at a given speed perpendicular to the magnetic field, what would be the ratio r20/r22 of the radii of the paths for singly-ionized neon atoms of masses 20 u and 22 u?
  1.100/121
  2.10/11
  3.11/10
  4.121/100


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryhom

  • Sr. Member
  • ****
  • Posts: 366
Reply #1 on: Jul 28, 2018
Answer to Question 1

2

Answer to Question 2

2


big1devin

  • Hero Member
  • *****
  • Posts: 583
Reply #2 on: Jul 28, 2018
TY


ryhom

  • Sr. Member
  • ****
  • Posts: 366
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

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

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Long-term studies of the Glanville fritillary butterfly, Melitaea cinxia, have provided exceptional Long-term studies of the Glanville fritillary butterfly, Melitaea cinxia, have provided exceptional
Blue whale skeleton, outside the Long Marine Laboratory at the University of California, Santa Cruz Blue whale skeleton, outside the Long Marine Laboratory at the University of California, Santa Cruz
Role of PKM-zeta in Long-Lasting Long-Term Potentiation Role of PKM-zeta in Long-Lasting Long-Term Potentiation
A typical bus system showing module CAN communications and twisted pairs of wire. A typical bus system showing module CAN communications and twisted pairs of wire.
Part of a Semantic Network in Long-Term Memory Part of a Semantic Network in Long-Term Memory
Video: Parathyroid hormone (bone resorption) & Calcitonin (bone deposition)

For a complete list of videos, visit our video library