Electronic Devices Question 218
Question: The ripple factor in a half wave rectifier is
[RPMT 2002]
Options:
A) 1.21
B) 0.48
C) 0.6
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
Ripple factor $ r=\sqrt{{{( \frac{I _{rms}}{I _{dc}} )}^{2}}-1}=\sqrt{\frac{{{( I _{0}/2 )}^{2}}}{{{( I _{0}/\pi )}^{2}}}-1} $ =1.21.