M4 1-108

M4 1-108

University

108 Qs

quiz-placeholder

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M4 1-108

M4 1-108

Assessment

Quiz

English

University

Hard

Created by

Hwxng Vxx

FREE Resource

108 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What gives the colour of an LED?.

The active element.

The plastic it is encased in.

The type of gas used inside it.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a diode put in parallel with an LED?.

To protect it from AC.

So it will work only above a certain voltage.

So it will work only below a certain voltage.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a semiconductor junction diode, electrons are the minority carriers.

within the P region.

within the N region.

in both the N and P regions.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A junction diode.

is similar to a vacuum diode but cannot rectify.

has one p-n junction.

can handle only very small currents.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To check the forward resistance of a diode with a multimeter, the lead connected to the positive terminal is put to the.

anode.

cathode.

either anode or cathode.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A thyristor is commonly used for.

overvolts regulation.

voltage regulation.

rectification.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The electrodes of an SCR are.

gate, cathode, anode.

source, drain, gate.

anode, cathode, source.

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