SPARKS Magazine Winter 2022 issue

Page 49

EXERCISES | SPARKS

ELECTRO-TECHNICAL SCIENCE QUIZ: BASIC ELECTRONICS For each question, decide if the answer or statement is true or false. You may need to refer to your notes or suitable text books.

Q1

Q2

Covering: Unit 202 of C&G 2365-02 or EAL equivalent.

One of the most commonly used components in electronic circuits is the fixed value carbon resistor.

A carbon resistor with three red bands at one end and a silver band at the other end means it has a value of 222kΩ +/- 5%.

TRUE FALSE

TRUE FALSE

TRUE

Q3

Polyester, mica and ceramic represent types of capacitor.

Q4

A capacitor that has a (+) symbol at one end is an electrolytic capacitor.

FALSE

TRUE FALSE

Q5

Q6

Q7

TRUE

The material used to separate the ‘plates’ of a capacitor is called the ‘dielectric’.

FALSE

The electronic component that controls current flow in opposite directions is called a semiconductor diode.

The component that is able to ‘amplify’ very small currents is called a transistor.

TRUE FALSE

TRUE FALSE

TRUE

Q8

A thermistor is a component that has a fixed value of resistance.

Q9

A component with multiple connecting pins is generally identified as an integrated circuit component.

FALSE

TRUE FALSE

Go to sparks-magazine.co.uk to download exercise answers for free.

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< 2022 WINTER |

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