railway RRB JE (CBT I + CBT II) Mock Test 2024 Electronic Mechanic Power Supply Uninterruptible Power Supply
What is the purpose of Switched Mode Power Supply (SMPS)?
1
To convert AC supply of a frequency to AC supply of different frequency.
2
To convert AC supply into DC supply.
3
To convert DC supply into AC supply.
4
To convert unregulated DC supply into regulated DC supply.