Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Electromagnetic Oscillations and Alternating Current Transformers
Which of the following option is correct regarding transformer?
1
It can convert AC voltage into DC voltage and vice versa.
2
It can convert low voltage to high voltage and vice versa.
3
Both 1 and 2
4
More than one of the above
5
None of the above