100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
RADT 1085 Final Test with Correct Answers $11.99   Add to cart

Exam (elaborations)

RADT 1085 Final Test with Correct Answers

 5 views  0 purchase
  • Course
  • RADT 1085
  • Institution
  • RADT 1085

RADT 1085 Final Test with Correct Answers What are materials called that are strongly attracted to a magnet? - Answer-Ferromagnetic What are materials called that are NOT attracted to a magnet? - Answer-Non-magnetic What are materials called that are weakly attracted to a magnet? - An...

[Show more]

Preview 2 out of 7  pages

  • September 11, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • RADT 1085
  • RADT 1085
avatar-seller
Scholarsstudyguide
RADT 1085 Final Test with
Correct Answers
What are materials called that are strongly attracted to a magnet? - Answer-
Ferromagnetic

What are materials called that are NOT attracted to a magnet? - Answer-Non-magnetic

What are materials called that are weakly attracted to a magnet? - Answer-
Paramagnetic

How are the north poles of two magnets going to affect each other? - Answer-They will
repel

Materials that are easily magnetized and demagnetized are said to have a high _____. -
Answer-Permeability

How will the north pole and south pole of two magnets affect each other? - Answer-
They will attract

Which of the following happens when a wire moves through a magnetic field?
1. An electromotive force is induced in the wire
2. The resistance in the wire increases
3. The magnetic field disappears - Answer-1 only

Maximum induction will occur when a conductor cuts a magnetic field at what angle? -
Answer-90 degrees

Materials that are difficult to magnetize and demagnetize are said to have a high _____.
- Answer-Retentivity

A coil of wire rotating through a magnetic field produces an electric current. What does
this describe? - Answer-Generator

How can voltage be induced into a conductor?
1. Move a wire through a magnetic field
2. Move a magnetic field across a wire
3. Place a wire in a varying magnetic field - Answer-1, 2 & 3

, A _____ works by sending an alternating current through a coil of wire athat has been
placed within a magnetic field. - Answer-Motor

What is it called when a current is induced in a secondary coil by simply alternating the
current in the primary coil? - Answer-Mutual induction

What type of transformer has more turns of wire in the secondary side than in the
primary side? - Answer-Step-up

What type of transformer core is most widely used in radiographic equipment? -
Answer-Shell type

What determines the transformer ratio? - Answer-Turns of wire

Which type of transformer core is most efficient? - Answer-shell type

If the voltage is stepped-up, what happens to the current in the secondary side of the
transformer? - Answer-Decreases

As magnetic domins rearrange in a transformer, heat is produced. What is this energy
loss called? - Answer-Hysteresis losses

Which of the following materials would make the best transformer core? - Answer-Soft
iron

The changing of alternating current to direct current is known as what? - Answer-
Rectification

What is the name of the closed path over which electric current flows? - Answer-Circuit

What is a device called that allows current to flow in only one direction? - Answer-
Conductor

Which type of rectification will supply the x-ray tube with the greatest power? - Answer-
Full-wave

What is the voltage supplied to the autotransformer called? - Answer-Line voltage

What controls the incoming voltage to the autotransformer? - Answer-Main breaker
switch

Which of the following is the most accurate timer? - Answer-Electronic timer

Tapping windings of the autotransformer to supply voltage to the step-up transformer is
the purpose of which of these? - Answer-kVp selector

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $11.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79271 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$11.99
  • (0)
  Add to cart