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प्रश्न
Give two differences between a half-wave rectifier and a full-wave rectifier.
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उत्तर
| Half-wave rectifier | Full-wave rectifier |
| Only one diode is used. | Two or four diodes are used. |
| Only one-half cycle of input ac is rectified. | Both the half cycles of input ac are rectified. |
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संबंधित प्रश्न
Draw the circuit diagram of a full wave rectifier. Explain its working showing its input and output waveforms.
In half-wave rectification, what is the output frequency if the input frequency is 50 Hz. What is the output frequency of a full-wave rectifier for the same input frequency.
The ability of a junction diode to ______ an alternating voltage is based on the fact that it allows current to pass only when it is forward biased.
Draw the circuit diagram of a full wave rectifier.
Explain with a proper diagram how an ac signal can be converted into dc (pulsating) signal with output frequency as double than the input frequency using pn junction diode. Give its input and output waveforms.
The device which uses centre-tapped secondary of the transformer is
A 220 V A.C. supply is connected between points A and B (figure). What will be the potential difference V across the capacitor?
To reduce the ripples in a rectifier circuit with capacitor filter ______.
- RL should be increased.
- input frequency should be decreased.
- input frequency should be increased.
- capacitors with high capacitance should be used.
Name the device which utilizes the unilateral action of a pn diode to convert ac into dc.
Draw a labelled circuit diagram of a full wave rectifier. Show graphically how the output voltage varies with time.
