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Question: Answered & Verified by Expert
In a full wave rectifier with input frequency of $50 \mathrm{~Hz}$, the frequency of the output is:
PhysicsSemiconductorsJEE Main
Options:
  • A $50 \mathrm{~Hz}$
  • B $100 \mathrm{~Hz}$
  • C $200 \mathrm{~Hz}$
  • D $500 \mathrm{~Hz}$
Solution:
2444 Upvotes Verified Answer
The correct answer is: $100 \mathrm{~Hz}$
Concept:
For a full-wave rectifier with input frequency fin, the output frequency is double the input frequency, i.e.
$\text { fout }=2 \text { fin }$


Application:
Given fin $=50 \mathrm{~Hz}$
Output frequency out fout will be:
$\text { fout }=100 \mathrm{~Hz}$

In the case of a half-wave rectifier, the output waveform completes one cycle at the same time as that of the input waveform. Therefore, the frequency of the output wave is equal to the frequency of the input wave.

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