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Author Question: A transformer with 600 turns on the primary coil is used to decrease the voltage from 3000 V to 120 ... (Read 38 times)

RYAN BANYAN

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on: Jul 28, 2018
A transformer with 600 turns on the primary coil is used to decrease the voltage from 3000 V to 120 V for home use. How many turns should be in the secondary coil?
 a. 600 turns
  b. 15000 turns
  c. 24 turns
  d. 3720 turns

Question 2

A plane convex lens is made of glass (n = 1.5) with one flat surface and the other having a radius of 20 cm. What is the focal length (in cm) of the lens?
 a. 20
  b. 30
  c. 40
  d. 10
  e. 50


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C.mcnichol98

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

c


RYAN BANYAN

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  • Posts: 563
Reply 2 on: Jul 28, 2018
Wow, this really help

atrochim

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Reply 3 on: Yesterday
Gracias!

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