* * : 2012 - 13 :

: X =

a ) 0 b) ∞ c) 500 J d) 250 J μF

a ) 0 μF b) 3 / 2 μF c) 6 μF d) 2 / 3 μF

a ) 1 % b) 2 % c ) 10 % d ) 5 %

a ) b ) c ) d )

a) ampere b) kelvin c ) volt d ) second

a ) b ) c ) d )

a ) b ) c ) d )

μ

a ) μ : 1 b ) 1 : μ c ) μ2 : 1 d ) 1 : μ2

a ) b )

c ) d )

0.005 m 2500 6000 A0

a ) 3 b ) 2 c ) 1 d ) 4

: X =

Q

A

3.186 X 10 -11 F

: X =

3.6 X 10 -4

AC

n

: X =

AC

@@@@ BEst wishes @@@@

www.Padasalai.Net - Page No -1

:

: 3 : 150

I

: ( i ) 30 X 1 30

( i i )

( i i i )

1.129 X 10 11 1.6 X 10 -19 6.26 X 10 18 8.85 x 10 12.

.

+ q , – q – q , + q ∞, – q ∞, + q.

1 / ε o

400 W 2 W 480 W 240 W.

C

µ

µ0 I / 4πa µ0 I / 2πa µ I / 4πa µ I / 2πa.

www.Padasalai.Net - Page No -2

5 A DC

50 A rms 5 A 5 A rms

2 X 10 -8 s 2 X 10 -10 s 5 X 10 -8 s 5 X 10 -10 s.

4000 A o 2 X 10 – 7m

π 2 π (3 π) /2 π / 2 o

1.414 1.732 1.0 1.5

II

: ( 15 X 3 = 45 )

0oC 10 Ω 0.004 / oC 0oC

5%.

100W, 220 V

rms

Q-

4 A 0.5 s 8 A 50 mV

AC DC

60 cc 300 mm 90

60

0

www.Padasalai.Net - Page No -3

III

: ( i ) 7 X 5 35

( i i )

( i i i )

12 µC , 8 µC 10 cm 6 cm

AC

10,000 100 cm2

3.6 X 10 – 2

T

140 rpm

80% 4 kW 100 V

240 V

n

5000 lines per cm 7070 Ao

5000 Ao

IV

: ( i ) ( 4 X 10 = 40 )

( i i )

AC

R L C

(i) (ii) (iii)

***** BEst wishes *****

B.Elangovan.M.Sc.,M.Ed.,M.Phil., PG Teacher in Physics, Pachaiyappa’s Hr.Sec.School, Kanchipuram-631501.

email id : belangovanphss@gmail.com Phone: 9444438464

www.Padasalai.Net - Page No -4