Time Left - 04:00 mins
RRB/SSC JE Electrical 2019 || Transformers Quiz 3
Attempt now to get your rank among 963 students!
Question 1
Which of the following statements is valid for transformers?
Question 2
An ideal transformer has N1 = 100 turns
N2 = 200 turns with a mutual flux of
ϕm (t) = -0.05(t2 - 2t). The induced emf of secondary in volts is
N2 = 200 turns with a mutual flux of
ϕm (t) = -0.05(t2 - 2t). The induced emf of secondary in volts is
Question 3
The main purpose of using core in a transformer is to
Question 4
In a transformer maximum efficiency occurs at 80% of a full load then what is the Relation between ironless at rated voltage (Pi) and copper loss full load.
Question 5
The following is the apparent disadvantage of auto transformer as compared to two-winding transformer
- 963 attempts
- 2 upvotes
- 27 comments
Mar 16ESE & GATE EE
