This topic contains a solution. Click here to go to the answer

Author Question: A transformer with 600 turns on the primary coil is used to decrease the voltage from 3000 V to 120 ... (Read 33 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

C.mcnichol98

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

c

Answer to Question 2

c




RYAN BANYAN

  • Member
  • Posts: 563
Reply 2 on: Jul 28, 2018
:D TYSM


cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

For a complete list of videos, visit our video library