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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 35 times)

jjjetplane

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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


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adammoses97

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

D


jjjetplane

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Reply 2 on: Jul 29, 2018
Wow, this really help

kjohnson

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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