1419233113312-OSM Foundation (Hindi) 22.12.14

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16 [ [ [ [ [ , [ [, [ , [ ( C.R.B.) . (F.C) [

[ , - (A.M.L.) Advisor [ Executive Director Director Joint Director - Dy.- Director A.E.E.

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-- 4 [ [ C.R.B. G.M Member Electrical - A.G.M (A.M.L.) C.E.E Advisor

C.E.S.E.

[ Executive Director

C.E.L.E

Director [

C.E.T.E

Joint Director C.E.D.E

4

- Dy.- Director A.E.E.

(Dy.C.E.E.), (Senior Electrical Engineer,S.E.E.) (A.E.E.)

(D.R.M.) (A.D.R.M.) ()Senior Div.Elect.Engr.(Gen.) ([ )Senior Div.Elect.Engr.(TRD.) ([ )Senior Div.Elect.Engr.(TRS.) ([ )Senior Div.Elect.Engr.(TRO.) (A.D.E.E.) - 5. [ () 1. (GENERAL SERVICES) ) () - [ ,[, [ ,, [ , , ,- (PRS) [ ) () - [ [ [ 2. [ (TRACTION DISTRIBUTION) [ [ [ . i . -/ (TSS/PSI)

i i . (TPC) i i i . (OHE) i v. (RCE) 3.[ (TRACTION ROLLING STOCK)

[ , 4. [ (Traction Rolling Operation)

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mm , , .

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15 cm , 2 5cm

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250 gm 7Kg.

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10 -- 11 ( ) 250,400,mm 12 , 13 15,30 cm 14 150,300 mm , 90

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25,40,65,125 watt [

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= 10x10 = 100 - 10 10 [

=10x10 =100 - : [ ([ ) .-

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19

.. [ X = (Watt.) 1000 , 10,00,000 ( ) 746 1.34 (h.p.)

- - 3 (Ohm's Law) , [ , [ [ () The ratio of potential difference (V) between any two points on a conductor to the current (I) flowing between them, is constant, provided the temperature of the conductor does not change.

[ / = (R ) V/I = Constant. - I V V/I = R V/R = I I X R = V V = , I = , R= [

V = I X R I = V/R, R = V/ I [ : = X ( ) = VxI , = / - P/V = I = / P/I = V

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- 1 :

- = X R = R1+R2 ( ) : R = 3 + 5 = 8 V = (I) x R, = 8 : V = 8X 8 = 64 = 64 ---- . - 2 : R = R1 + R2 R1= 3 R2 = 5 R = 3+5 = 8 I = : (I) = 24 8 = 3 [ = 3 ---- . - 3 = 8 , = 24 ,

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R = (V) (I) R = 24 8 = 3 = 3 --- . () :

1. (P) = (I) X (V) 2. (I) = (P) (V) 3. = ( P) (I)

- 36 24 ? (I) = (P) (V) (P) = 36 , (V) =24 , = ? (I)= 36/24 = 3/2 = 1.5 -- . :

1. 2.

R R1 R2 = R = R1 + R2 [ R = 6 + 3 = 9 () -

1. 2. 3.

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: 1/R = 1/R1 + 1/R2 R = R1 R2 R1+ R2 R = 6x3 6+3 = 18 9 = 2 1/R= 1/R1+1/R2 R= 1 1/R1+1/R2 = 1 1/6 + 1/3 = 1 1+2/6 = 1 3/6 = 6/3 = 2 --- ( .

[ R = R1 XR2 R1 + R2 R = 6x6 6+6 = 36/12 = 3

R = R1 + R = 3+3 = 6 24 ? R = 6 , V= 24 I= V/R=24/6 = 4 (P)= (V) X (I) = 24 X 4 = 96 .--- .

. 230 500 ? : (P)= V x I - = 500 , V= 230 I = P/V = 500/230 = 2.13

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. ) ) ) ?

) R = R1XR2 R1+R2 = 6X6 6+6 = 36/12 = 3 [ [ RT = R3 + R = 3+3 = 6 ----- . ) () I = V/ R = V/R - V= 30 , R = 6 I = 30/6 = 5 ) P = X (V X I) , = 30 , = 5 = X , 30X5 = 150 ---- .

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26

KOH K + OH Ni(OH)4+2K Ni(OH)2+ 2KOH (+ ), Fe + 2OH Fe (OH)2 (- )

Ni(OH)2 + 2OH Ni (OH)4 (+ ), Fe (OH)2+2K Fe +2KOH (- )

: 01 [ () ( ) 02 (PbO2) (Ni(OH)4 03 (Pb) - Fe 04

H2(SO)4, 1:4

21% (KOH)

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- 7 . (Background) : 1. - , 2. - 3. -

* * * 04 [ ( Basic properties of Electrical Materials)

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1. [(Conducting Material) 2./ [ (Insulating material) 3.[- [ (Semiconducting Material) 4. [ (Magnetic material)

1. [ : [ - ) [, ) [

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. ,,,,, , , , ,[ , [ : , (Alloy)

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[ :- 1. 2. [ 3. 4.

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5. (Waxes & Compounds)

(Paraffin wax), (Bitumen compound).

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1. , -- 2. [

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3. , [ 4. 5. ,, 6. [

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