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    4244 Eng For Students

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    Dahdouh

    Posts : 7
    Join date : 2009-11-17
    Age : 53

    4244 Eng For Students

    Post  Dahdouh on Wed Feb 03, 2010 2:01 am

    Elec. 2 Unit10

    Revision

    1- Name four things which make use of electromagnetic waves .

    1-……………………… 2- ……………………………….

    3- ……………………… 4- ………………………………

    2-Choose the correct word

    1- (Loudspeaker – AF amplifier- RF tuner) converts the audio signal into sound.

    2-(When- In-At) a cell discharging quickly, it may become hot.

    3- (When-Out-At) striking a high building, microwave signals are deflected.

    4- On (receive – receiving – receives) signals from the remote control, the TV follows your instructions.

    3- 1- What do these abbreviations stand for :

    1-AF ………………………………..

    2- MD ………………………………

    3- CD ………………………………..

    4- FM ……………………………..

    5- RF ……………………………..

    6- VHF ………………………………

    4- Draw diagram to explain these labels?

    A- transmitting aerial

    b- Receiving aerial

    c- Sky wave

    d- Space wave



    5- Match (A) with (B)

    A B
    1- The aerial amplifies the selected RF wave

    2-RF amplifier receives weak RF signals

    3-AF amplifier selects the required RF wave

    4-RF tuner amplifies the audio signal.


    6 - Complete the following table

    Noun( property) Noun(component) verb
    attenuation
    attenuate
    Reflector

    resistance
    resist

    ezaldeen asiry

    Posts : 8
    Join date : 2010-02-04

    Re: 4244 Eng For Students

    Post  ezaldeen asiry on Thu Feb 04, 2010 2:07 pm

    Thanke you d.abdeen

    ahmed1990

    Posts : 6
    Join date : 2010-02-04

    Re: 4244 Eng For Students

    Post  ahmed1990 on Thu Feb 04, 2010 3:14 pm

    Thank you Dr. Abdeen Dahdouh

    Gift Valuable You ,,,,I hope Benefit of


    Your brother / Ahmed Mohamed AGees
    I student at College of Technology, Electrical Department
    Surprised

    ezaldeen asiry

    Posts : 8
    Join date : 2010-02-04

    مساء الخير

    Post  ezaldeen asiry on Fri Feb 05, 2010 6:38 am

    Wellness gives you, Prof. Abdin

    tareq

    Posts : 2
    Join date : 2010-02-05

    muck thanks

    Post  tareq on Sat Feb 06, 2010 12:17 am

    thanks sir for this unrewarded effort

    Re: 4244 Eng For Students

    Post  !~<% Sami ALessa 141 %>~ on Sat Feb 06, 2010 2:20 am

    Smile Gives you a wellness

    مشاري الجهني

    Posts : 3
    Join date : 2010-02-06

    Re: 4244 Eng For Students

    Post  مشاري الجهني on Sat Feb 06, 2010 5:47 pm

    شكـــــــ ـــــــرا

    والله يعطيك العافيه

    saleh

    Posts : 2
    Join date : 2010-02-06

    Message Erfan

    Post  saleh on Sat Feb 06, 2010 9:51 pm

    Good morning: Good evening ...... Thank you for the effort and wished to provide all that is useful to us ...... for Lzimaili ,,,,, accept traffic[b] study

    ezaldeen asiry

    Posts : 8
    Join date : 2010-02-04

    INQUIRY

    Post  ezaldeen asiry on Sun Feb 14, 2010 10:38 pm

    Hello,sir
    where are you ? we are waiting your help and guidance .
    I'm one of your students section 140

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