[Answered] A transformer with 800 turns on the primary coil is used to decrease the voltage from 2000 V to 120 ...

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RODY.ELKHALIL

Hero Member
Posts: 591

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

Sr. Member
Posts: 357

Reply #1 on: Jul 28, 2018

Answer to Question 1

48 turns

Answer to Question 2

> 66.5

RODY.ELKHALIL

Hero Member
Posts: 591

Reply #2 on: Jul 28, 2018

Koolkid240

Sr. Member
Posts: 357

Reply #3 on: Jul 28, 2018

You're welcome

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