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«الشروق» تقدم مراجعة ليلة الامتحان في مادة الفيزياء للثانوية العامة

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  • ..... 5

    1

    5

    015

    015-

    2.0

    11

    2.0

    5

    5

    5

    5

    % 8

    %29

    %29

    21

    21

    2.0

    2.0

    3.0

    3.0

    002

    1002

    A43

    21

    02

    202

    3.0

    1

    3.0

  • 2

    %08

    8.0

    1

    :

    I = P2R

  • 3

    :

    :

    ( )

    () :

    / /

    . / /

    . / /

    SR

    = sR sR sI = gR gI SV = gV

    =

    mR

    gR gI + mR gI = V gV + mV = V

    = mR

    0003

  • 4

    6565VB = 1.5 v

    RX

    Ig =

    Ig =

    :

    612

    24 - 6 -

    -

    18 A - 8 A - 2 A - 0.5 A

    12 V - 8 V - 6 V - 3 V

    18 A - 8 A - 2 A - 0.5 A

    10

    18080205

    10-6

    1012

    - 1 - Zero - 10-12

    1

    111

    1

    111

    8

    8Zero88

    8

    8Zero88

  • 5

    84 1 1A 8

    A 2V 21

    808

    L V B - = .f.m.e :

    XL

    VB

    t . V . L = A ) t . V = X ( X L = A ) A . B = m ( t . L . V . B = A . B

    t . L V B = m

    = .f.m.e

    L V B =

    N A I B = :

    d a c b

    d cb a

    dcL baL I B = = L I B = F

    A I B =

    N A I B = N

    :

    BI

    ) 1 ( .. = B

  • 6

    I

    ) 2 ( = F

    21B

    ) 3 ( = F

    .. FF3

    7-01 2 = B ) 1 (

    I B = F ) 2 (

    7-01 2 = F ) 3 (

    2I F ) 4 ( 2I 7-01 2 = I

    : 2V1V

    2V1V

    S

    2V1V

    r I - BV = 1V , R . I = 2V S

    r . I - BV = 1V , R . I = 2V

    BV = 1V , oreZ = 2V

    3V + 2V + 1V = latoTV

    3R + 2R + 1R = TR 3R I + 2R I + 1R I = TR I

  • 7

    .

    3I + 2I + 1I = latoTI

    =

    +

    +

    =

    +

    +

    :

    :

  • 8

    :

    :

    =

    e

    =

    e = R

    e e

    = B

    = SR )(niS N B A = .f.m.e

    gV N B A

  • 9

    / / (

    ) :

    :

    :

    :

    :

  • 10

    502

    0.5

    2A

    6A

    I =

    2 =

    VB = 4R + 1 .. (1)

    I =

    6 =

    VB = 3R + 3 .. (2)

    VB = 9 V , R = 2

    =

    = 12.5 104 -1 . m-1

    2

    B1 =

    =

    = 5 10

    -6 Tesla

    B2 =

    =

    = 2.5 10

    -6 Tesla

    BT = B1 - B2 = 2.5 10-5

    Tesla

    F = B I L = 12.5 10-6 N

    BT = B1 + B2 = 7.5 10-6

    Tesla

    F = B I L = 37.5 10-6 N

    24000.05

    10025

  • 11

    f =

    = 40 Hz = 2 f = 251.3 rad. / s

    1 e.m.f.Max = A B N = 25 10-4

    0.05 251.3 100 = 3.14 V

    2 e.m.f.eff. = 0.707 e.m.f.Max = 0.707 3.14 = 2.22 V

    3 =

    = 30

    0 e.m.f. = e.m.f.Max

    Sin(30

    0) = 1.57 V

    3

    e.m.f.Max = A B N

    4020mA

    100mA

    210

    RS =

    =

    = 10

    V = I ( Rm + Rg ) = 20 10-3

    ( 210 + 40 ) = 5V

    100%24W

    12V240V

    480

    PW = Is Vs Is =

    =

    = 2 A

    =

    =

    Ip = 0.1

    A

    =

    =

    Np = 9600 turns

  • 21

    ..... ..

    =

    NO

    .

  • 31

    : -

    -)

    :

    A 00030

    01 526.643-

    01 3.s.J8s/m

  • 41

    h

    h = c h = WE

    =

    01 526.6 =

    91- J

    :

    :

  • 51

    :

    - -

    .

    .

    ) (

  • 61

    h

    c h = WE

    WE

    = WE - E

    v m

    2

    ) (

    .

    .

    h

    c m

    h

    V . e

    c m

    2

    v m

    2 = t .V . I

    =

  • 71

    ) . NO (

    ECV + CRCI = CCV

    . -

    h

    h

    s/m 0304

    01 1.913-

    017 s/ m

    =

    =

    01 25.5 =

    43- = m

    =

    01 25.5 =

    43- m

  • 18

    4.6 105 m/s

    623 nm

    9.1 10-31

    Kg6.625 10-34

    J.s

    3 108 m/s

    c = =

    =

    = 4.8 10

    14 Hz

    h - h C =

    m v

    2 C = 3.347 10

    14 Hz EW = h C = 2.22 10

    -19 J

    4000 A0

    5.3 105 m /s5500 A

    0

    c = =

    =

    = 7.5 10

    14 Hz

    h - h C =

    m v

    2 C = 5.57 10

    14 Hz =

    =

    = 5.45 10

    14 Hz

    8 10-7

    m200W

    PL =

    =

    = 8.28 10

    -28 Kg.m/s F =

    =

    = 1.33 10

    -6 N

    92.4 MHz

    100 KW

    E = h = 6.625 10-34 92.4 106 = 6.12 10-26 J

    1.6 10

    30