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

Author Question: A person with a near point of 25 cm uses a magnifying lens having a focal length of 10 cm. What is ... (Read 19 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
A person with a near point of 25 cm uses a magnifying lens having a focal length of 10 cm. What is the angular magnification of this lens if the person's eyes are focused at his near point?
 
  A) 2.5 B) 4.5 C) 3.5 D) 1.5

Question 2

What is the rms current through a 2.50-mH coil due to a 110-V rms, 60-Hz source?
 
  A) 0.94 A
  B) 2.5 A
  C) 104 A
  D) 117 A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

adammoses97

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

D


jjjetplane

  • Member
  • Posts: 556
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
How Much Food Does the World Produce Per Person? How Much Food Does the World Produce Per Person?
Dew point/temperature relationships in (a) unsaturated air and saturated air (b and c). Dew point/temperature relationships in (a) unsaturated air and saturated air (b and c).
How to find the equation of a line that is perpendicular to a line passing through a point How to find the equation of a line that is perpendicular to a line passing through a point
What is the freezing point of a solution of 2.86 g MgCl2 in 100 g of water? Kf for water is ... What is the freezing point of a solution of 2.86 g MgCl2 in 100 g of water? Kf for water is ...
MRI scans of normal elderly person compared to one with Alzheimer's MRI scans of normal elderly person compared to one with Alzheimer's
Video: How to make cDNA Animation

For a complete list of videos, visit our video library