Consider the following rectifier circuits : 1. half-wave rectifier without filter2. full-wave rectifier without filter3. full-wave rectifier with series inductance filter4. full-wave rectifier with capacitance filter. The sequence of these rectifier circuits in decreasing order of their ripple factor is

• A. 1, 2, 3, 4
• B. 3, 4, 1, 2
• C. 1, 4, 3, 2
• D. 3, 2, 1, 4