Time Left - 04:00 mins
RRB/SSC JE Electrical 2019 || Transformers Quiz 4
Attempt now to get your rank among 887 students!
Question 1
The no-load ratio of a 
single phase transformer is 
The maximum flux in the core is 
What is the number of primary turns?
single phase transformer is The maximum flux in the core is What is the number of primary turns? Question 2
A 20-turn iron-cored inductor is connected to a 
source. The maximum flux density in the core is 
The cross-sectional area of the core is
source. The maximum flux density in the core is The cross-sectional area of the core is Question 3
A single phase, 50 Hz, core-type trans-fomer has square cores of 
side. The permissible flux density is 
If the stacking factor is 0.9, the voltage induced per turn is
side. The permissible flux density is If the stacking factor is 0.9, the voltage induced per turn is Question 4
The no-load input power to a transformer is practically equal to……………………loss in the transformer.
Question 5
A transformer takes a current of 
and absorbs 
when the primary is connected to its normal supply of 
the secondary being on open-circuit. What is the magnetising current?
and absorbs when the primary is connected to its normal supply of the secondary being on open-circuit. What is the magnetising current? - 887 attempts
- 3 upvotes
- 8 comments
Aug 1ESE & GATE EE
