diode

diode

Professional Development

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30 Qs

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diode

diode

Assessment

Quiz

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Professional Development

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Professional Development

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Practice Problem

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Hard

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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a half wave rectifier, diode conducts for ________ part of the input cycle

Quarter
Half
Full
Zero

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A half wave rectifier has _______ number of diodes.

4
2
1
3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The basic reason why a full wave rectifier has twice the efficiency of a half wave rectifier is that

it has two diodes
its ripple factor is much less
it utilizes both half-cycle of the input
its output frequency is double the line frequency

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a rectifier, larger value of filter (or shunt) capacitor results in

large peak-to-peak value of ripple voltage in the output.
less peak-to-peak value of ripple voltage in the output.
less output frequency in the output
no change happens in output ripple voltage

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The basic purpose of filter is to

minimize variations in ac input signal
suppress harmonics in rectified output
remove ripples from the rectified output
stabilize dc output voltage

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The process of converting alternating current (AC) to direct current (DC) is also called as _____

Filteration
Rectification
Inversion
Clipping

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Frequency of DC is

Zero
50 Hz
100 Hz
1 kHz

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