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#output frequency

3 public questions tagged with this topic.

In a half-wave rectifier, the output frequency is:

**Rectifier applications** diode must have reverse breakdown voltage higher than peak inverse voltage, centre-tap transformer provides two opposite phase voltages for full-wave, capacitor discharges through load R_L when diode off, drift current in junction is minority carrier motion due to field, diffusion due to gradient, diode conducts when forward biased anode positive. A half-wave rectifier conducts only during the positive half-cycle of the AC input, so the output frequency remains the same as the input frequency (e.g., 50 Hz input gives 50 Hz output). Substituting values gives Equal to

Ref: NCERT > Physics Book > Electronic Devices > Rectifiers, Filters and Applications

In a full-wave rectifier with centre-tap transformer, the output frequency for a 50 Hz input is:

**Rectifier** converts AC to DC using diode unilateral conduction, half-wave conducts only during positive half-cycle when forward biased, output pulsating DC with frequency equal to input 50 Hz, full-wave with centre-tap uses two diodes conducting alternate half-cycles, output frequency 100 Hz for 50 Hz input, 120 Hz for 60 Hz input, output voltage closer to peak with capacitor filter. A full-wave rectifier doubles the input frequency by using both half-cycles, so for a 50 Hz input, the output frequency is 50 × 2 = 100 Hz . Substituting values gives 100 Hz, which matches expected behaviour fo

Ref: NCERT > Physics Book > Electronic Devices > Rectifiers, Filters and Applications

The output frequency of a full-wave rectifier with a 60 Hz input is:

**Rectifier applications** diode must have reverse breakdown voltage higher than peak inverse voltage, centre-tap transformer provides two opposite phase voltages for full-wave, capacitor discharges through load R_L when diode off, drift current in junction is minority carrier motion due to field, diffusion due to gradient, diode conducts when forward biased anode positive. A full-wave rectifier uses both half-cycles of the AC input, doubling the output frequency. For a 60 Hz input, the output frequency is 60 × 2 = 120 Hz . Substituting values gives 120 Hz, which matches expected behaviour for

Ref: NCERT > Physics Book > Electronic Devices > Rectifiers, Filters and Applications