TASK 1

TASK 2

• additional /ə'diʃənl/ • refer/ri'fə:/ • prefer/pri'fə:/ • produce/prɔ'dju:s/ • sell/sel/ • resistance /rɪ'zɪstəns/ • exist/ig'zist/ • chaos/'keiɔs/ • cost/ kɒst/ • greatly/´greitli/ • actual/'æktjuəl/ • reach/ri:tʃ/ • equally/'i:kwəli/

NOTE

limit /'limit/ range/reɪndʒ/ illogical/i´lɔdʒikl/

• • • • sight/sait/ • stem/stem/ • extreme/iks'tri:m/ • adjacent/ə'dʤeizənt/ • thereby/,ðeə'bai/ • cover/'kʌvə/ • overlap/¸ouvə´læp/ • normally/'nɔ:məli/ • available/ə'veiləbl/ • decade/'dekeid/ • step/step/

NOTE

TASK 3

TASK 3

TASK 3

• 1. Resistor are coded with coloured bands to

ease the problem of marking such small components.

• 2. There would be chaos and the costs would

be greatly increased.

• 3. Between 56,000Ω ± 10%, i.e 50,400

Ω to 61,600 Ω

• 4. Because they will sell resistors more

cheaply.

NOTE

• information/,infə'meinʃn/ • system/'sistəm/ • voltage/'voultidʤ/

NOTE

• technical/'teknikl/ • multiplier/´mʌlti¸plaiə/

TASK 4

TASK 4

TASK 5

• identify /ai'dentifai/

• alphanumeric

TASK 5

• European/,juərə'pi:ən/ • classify/'klæsifai/ • seminconductor /¸semikən´dʌktə/ • involve/ɪnˈvɒlv/

/,ælfənju:'merik/ • employ/em'plɔi/ • letter/'letə/ • figure/'figə/ • special/'speʃəl/ • significane/sig´nifikəns/

• material/mə´tiəriəl/ • germanium/dʒə:´meiniəm/ • silicon/´silikən/ • gallium arsenide /,gæliəm/ • photodiode/ˈfoʊtoʊˌdaɪoʊd/ • etc (et cetera) /et setərə/

TASK 5

• application /æplɪ'keɪʃn/ • varicap (variable – reactor) = varactor • tunnel /'tʌnl/ • photovoltaic /ˌfoʊtoʊvɒlˈteɪɪk/ • rectifier /´rekti¸faiə/ • varactor /vɛə´ræktə/

TASK 5

TASK 5

• appear/ə'piə/ • denote/di´nout/

• case /keis/ • specialize/ˈspɛʃəˌlaɪz/ • particular/pə´tikjulə/

TASK 5

• statement/'steitmənt/ • relative/'relətiv/ • clause/klɔ:z/

TASK 5

• define/di'fain/ • essential/əˈsɛnʃəl/ • sentence/'sentəns/

insessential/¸ini´senʃəl/

• carry/'kæri/ • • separate/'seprət/ •

• accurate/'ækjurit/ • expensive/iks'pensiv/ • contain/kən'tein/ • comma/'kɔmə/

rest/rest/

TASK 5

TASK 5

• explain/iks'plein/

NOTE

• spray/sprei/ • sealing/´si:liη/ • compound/'kɔmpaund/ • italic/i´tælik/ • omit/ou'mit/ • whatever/wɔt´evə/ • necessary/'nesəseri/ • order/'ɔ:də/ • punctuation/¸pʌηktju´eiʃən/

• carbon/´ka:bən/ • consider/kən´sidə/ • ceramic/si'ræmik/ • resistive/ri´zistiv/ • element/ˈɛləmənt/ • rod/rɔd/ • wire/waiə/ • cap/kæp/ • force/fɔ:s/ • metal/'metl/

TASK 6

TASK 6

• coating /'koutiη/ • insulate /'insjuleit/

• compress /kəm'pres/ • graphite /'græfait/ • apply /ə'plai/

TASK 6

• contact /kɔntækt/ • attach /ə'tætʃ/ • designer /di'zainə/