Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
Olympiad workbookNSEPSemiconductors

A simple laboratory power supply consists of a transformer, bridge rectifier and a filter capacitor. It drives a suitable load. If due to some reason one of the diodes in the rectifier circuit becomes open, then

Options

  1. Aoutput voltage of power supply falls to zero.
  2. Boutput voltage of power supply decreases to some nonzero value.
  3. Cac ripple in the output increases.
  4. Dripple frequency decreases.

Correct answer

D. ripple frequency decreases.

Step-by-step solution

No Solution

Practice Semiconductors on Quantrex Academy →

More from Semiconductors

An ac source (sinusoidal source with frequency 50 Hz ) is connected in series with a rectifying diode, a 100 resistor, a 1000 ~F capacitor and a milliammeter. After some time the mThe fundamental frequency of the output of a bridge rectifier driven by ac mains isWhich one of the following devices does not respond to the intensity of light incident on it?Magnified, erect and virtualIn a photodiode the reverse current increases when exposed to light of wavelength 620 nm or less. The band gap of the semiconductor used isThe adjacent figure shows I - V characteristics of a silicon diode. In this connection three statements are made - (I) the region OC corresponds to reverse bias of the diode, (II) In the network shown below the voltage V₀ is nearlyFor the Boolean equation Y=A B+A(B+C)+B(B+C)+ B , which of the following statements is correct? Full Semiconductors list All Olympiad workbook PYQs