Question

A full-wave rectifer with diodes D₁ and D₂ is used to rectify 50 Hz alternating voltage. The diode D₁ conducts _______ times in one second.

• A. 25
• B. 75
• C. 50
• D. 100

Answer 1

The Correct Option is C

In a full-wave rectifier, both diodes conduct during both the positive and negative cycles of the input AC signal. For a 50 Hz AC input, the signal oscillates 50 times per second. Since the full-wave rectifier uses both halves of the AC cycle, diode D1 will conduct during both the positive and negative halves. This results in D1 conducting twice during each cycle, which equals 50 cycles per second. Therefore, diode D1 conducts 50 times in one second.