EASY
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With the help of a circuit diagram, explain how a full wave rectifier gives output rectified voltage corresponding to both halves of the input ac voltage.

Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

EASY

The output current versus time curve of a rectifier is shown in the figure. The average value of output current in this case is

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MEDIUM
Statement I : To get a steady DC output from the pulsating voltage received from a full wave rectifier we can connect a capacitor across the output parallel to the load RL.
Statement II : To get a steady DC output from the pulsating voltage received from a full wave rectifier we can connect an inductor in series with RL.
In the light of the above statements, choose the most appropriate answer from the options given below :
MEDIUM
Draw the circuit diagram of a full wave rectifier and explain its working. Also, give the input and output wave forms.
EASY
If in a p-n junction, a square input signal of 10 V is applied as shown, then the output across RL will be

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EASY
If a full wave rectifier circuit is operated from 100 Hz mains, the fundamental frequency in the ripple will be
MEDIUM
Choose the correct waveform that can represent the voltage across R of the following circuit, assuming the diode is ideal one:
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MEDIUM
Describe the working of a P-N junction diode as a half-wave rectifier under the following heads: Labelled diagram / circuit 
MEDIUM
What is the principle of a rectifier? Draw a neat diagram of full-wave rectifier circuit.
EASY

A 220 V A.C. supply is connected between points A and B as shown in figure what will be the potential difference V across the capacitor?

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EASY

Figure shows a half-wave rectifier with resistive load RL, which is far greater than the diode's forward resistance. If the value of capacitance is considerably large, then the D.C. voltage across RL is___________

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HARD
Describe the working of a P-N junction diode as a half-wave rectifier under the following heads: Working method.
MEDIUM
With the help of a neat circuit diagram explain the working of a full wave rectifier.
MEDIUM
Describe the working of a P-N junction diode as a half-wave rectifier under the following heads: Graph of input-output signal with time.
EASY
In a full-wave rectifier, circuit operating from 60 Hz main frequency, the fundamental frequency in ripple would be,
MEDIUM

Match List I with List II.

  List I   List II
(a) Rectifier (i) Used either for stepping up or stepping down the A.C. voltage
(b) Stabilizer (ii) Used to convert A.C. voltage into D.C. voltage
(c) Transformer (iii) Used to remove any ripple in the rectified output voltage
(d) Filter (iv) Used for constant output voltage even when the input voltage or load current change

Choose the correct answer from the options given below: