Find the ripple frequency of half wave rectifier if the input operating frequency is 50 Hz. 

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SSC JE Electrical 11 Oct 2023 Shift 3 Official Paper-I
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  1. 50 Hz
  2. 500 Hz
  3. 100 Hz
  4. 25 Hz

Answer (Detailed Solution Below)

Option 1 : 50 Hz
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Ripple frequency

It is the frequency of the residual AC voltage after it has been rectified to DC in a power supply.

The no. of cycles in the output waveform as compared to the input waveform gives the ripple frequency.

Ripple frequency for different types of rectifiers:

1ϕ half wave rectifier: fs

1ϕ full wave rectifier: 2fs

3ϕ half wave rectifier: 3fs

3ϕ full wave rectifier: 6fs

Explanation

Given, supply frequency (fs) = 50 Hz

Ripple frequency = 50 Hz

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