• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Transformers

Transformers
A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is

5
0.2
25
0.4

ANSWER DOWNLOAD EXAMIANS APP

Transformers
Which type of winding is used in 3phase shell-type transformer?

Circular type
Rectangular type
Cylindrical type
Sandwich type

ANSWER DOWNLOAD EXAMIANS APP

Transformers
When the secondary of a transformer is short circuited, the primary inductance _______

Remians unchanged
Is increased
Is decreased
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Transformers
Losses which occur in rotating electric machines and do not occur in trans formers are

hysteresis and eddy current losses
friction and windage losses
copper losses
magnetic losses

ANSWER DOWNLOAD EXAMIANS APP

Transformers
In which of the following transformer part of primary winding also serves as the secondary winding?

Current transformer
Auto transformer
Potential transformer
Step-up transformer

ANSWER DOWNLOAD EXAMIANS APP

Transformers
If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ?

25 Ω
6250 Ω
250 Ω
62500 Ω

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Transformers

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑