KCET SERIES Physics
Transformers
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
1
2023 1
2017 1
2001 Chapter Questions 3 MCQs
01
PYQ 2001
medium
physics ID: kcet-200
The core of a transformer is laminated to reduce
1
copper loss
2
magnetic loss
3
eddy current loss
4
hysteresis loss.
02
PYQ 2017
easy
physics ID: kcet-201
The output of a step down transformer is measured to be when connected to a bulb. The value of peak current is
1
\)
2
\)
3
\)
4
\)
03
PYQ 2023
medium
physics ID: kcet-202
An ideal transfomer has a turns ratio of 10. When the primary is connected to 220V,50Hz ac source, the power output is
1
the power input
2
Equal to power input
3
Zero
4
10 times the power input