Vocabulary

Collocations in electronics

1 Look at the table. In electronics, the verbs on the left commonly occur with one of the nouns on the right. See how many matches you can make.

Verb Noun

actuate	A capacitor
adjust	A circuit
amplify	A control
boost	A current
change	frequency
charge	An output
complete	A relay
detect	a signal
discharge	A voltage
energize
generate
induce
modulate
produce
Step down/up

2 Complete the sentences using the correct form of an appropriate verb from 1.

1 The transformer __________the voltage from 240v to 9v.

2 __________the control so the meter reads zero.

3 With low levels of light, solar cells __________ very low voltage.

4 When the circuit is switched off, the capacitor keeps it operating until it ______.

5 The changing magnetic flux __________.

6. Changing the capacitor will__________ the frequency of the oscillator.

7 Pressing the switch ________ the circuit, allowing current to flow.

8 If the relay is ___________the contacts close.

9 The IR receiver ___________and decodes the signals from the remote control.

10 In the final stage, the signal is _________and fed to a loudspeaker.

Make your Point

Evaluating a presentation

1 Work in pairs. Study Lee’s checklist. Is there anything you would like to change or to add?

POOR=1 EXCELLENT=5

1 CONTENT

Was the speaker well prepared?

Was the speaker knowledgeable about the subject?

2 ORCANIZATION

Was there an introduction?

Was the talk well organized? Was there a conclusion?

3 DELIVERY- VOICE

Was the speaker enthusiastic and convincing?

Did the speaker make the subject interesting?

Did the speaker speak clearly enough?

Was the speed right for you?

Did the speaker read the presentation or talk from notes?

4 DELIVERY-MANNER

Was the speaker relaxed?

Did the speaker use appropriate gestures?

Did the speaker make eye contact with the audience?

Did the speaker involve the audience with questions or activities?

5 VISUAL AIDS

Did the speaker use visual aids?

Did they help you understand?

2 Prepare and deliver to your class a short presentation (maximum five minutes) on a topic of your choice. Evaluate each other’s presentations using Lee’s checklist or your revised version of it.

Checklist

Assess your progress in this unit .Tick the statements which are true.

- I know basic terms used in electronics.

- I can describe how electronic circuits operate.

- I can evaluate a presentation

- My reading and listening are good enough to understand most of each text in this unit

Key words

Nouns	Verbs
Capacitor	Amplify
Current	Conduct
Diode	Induce
Frequency	modulate
Oscillator
Pulse
Relay
Resistor
Switch
Transformer
transistor

Note here anything about how English is used in technology that is new to you.

Additional text 1

Ex. 1.Study text. Try to understand all details. Use a dictionary if necessary: