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Author Question: A transformer with 800 turns on the primary coil is used to decrease the voltage from 2000 V to 120 ... (Read 105 times)

RODY.ELKHALIL

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on: Jul 28, 2018
A transformer with 800 turns on the primary coil is used to decrease the voltage from 2000 V to 120 V for home use. How many turns should be in the secondary coil?

Question 2

A layer of kerosene (n = 1.45) is floating on water (n = 1.33). For what angles of incidence at the kerosene-water interface will light be totally internally reflected within the kerosene?


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Koolkid240

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

48 turns

Answer to Question 2

 > 66.5


RODY.ELKHALIL

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Reply #2 on: Jul 28, 2018
TY


Koolkid240

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Reply #3 on: Jul 28, 2018
You're welcome


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