Consider the following statements.
1. SMPS generates both electromagnetic and radio frequency interference due to high switching frequency.
2. SMPS has a high ripple in output voltage and its regulation is poor.
3. The output voltage of SMPS is less sensitive with respect to input voltage variation.
Which of the above statements are correct?
1
1 and 3 only
2
2 and 3 only
3
1 and 2 only
4
1, 2 and 3