This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A transformer with 600 turns on the primary coil is used to decrease the voltage from 3000 V to 120 ... (Read 20 times)

RYAN BANYAN

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


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

c

Answer to Question 2

c


RYAN BANYAN

  • Member
  • Posts: 563
Reply 2 on: Jul 28, 2018
Gracias!

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Anfinsen's experiments with ribonuclease demonstrating that the primary structure of a polypept Anfinsen's experiments with ribonuclease demonstrating that the primary structure of a polypept
Red algae and primary plastid of the supergroup Archaeplastida. Red algae and primary plastid of the supergroup Archaeplastida.
Operation of a typical pulse generator (pickup coil). At the bottom is a line drawing of a typical ... Operation of a typical pulse generator (pickup coil). At the bottom is a line drawing of a typical ...
The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ... The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ...
Typical engine analyzer hookup that includes a scope display. (1) Coil wire on top of the ... Typical engine analyzer hookup that includes a scope display. (1) Coil wire on top of the ...
Human of the planet's net primary production and appropriation of NPP Human of the planet's net primary production and appropriation of NPP
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

For a complete list of videos, visit our video library