الذهبيه - فيزياء
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. m맨 ṦϜ 1 mΑ o = ᕪ84 Ṧ똨맨맨൴맨 o Ṧ똨맨맨൴맨 Ṧ맨 Ϝ mΑ 20×10 A =<br />
G = α ×A<br />
I<br />
α =<br />
I<br />
I<br />
E<br />
=I<br />
C<br />
E<br />
C<br />
맨R맨맨 Ύ Rᕩ맨 ᕩR 冐 똨 m똨RΑ 맨맨Ϝ 맨똨 R /<br />
ɖ 冐 RϜ ϨΎ R m 冐 R 맨 맨 P m똨R 맨 맨 Ϯ 冐 RϜ m 冐 R 맨 Α 맨o m맨 N m똨R 맨 ɖ맨 Β 冐 맨 /<br />
Β맨o N m똨R 맨 맨o맨Α Β맨o 맨 冐 ɖϜ m 冐 R 맨 맨Β o R mṦΎ m똨RΑ 맨맨 冐 冐 m 冐 RΑ Α 맨o m맨 맨 ൴맨 Α<br />
RɖϮ맨 Α o Α Ṧ맨 ᕩ 맨 Ϝ m똨R 맨 맨맨 똨 .<br />
똨똨 맨o mR맨 䁀 맨 맨 맨Η 맨 - 冐 맨 ᕩ 맨맨 冐 Ϝ ɖṦɖϘ맨 o o 冐 ᕩ /<br />
. ɖ맨 Ṧm 冐 맨 ṦΎ똨 冐 맨 oᕩ 冐 맨 鲈 ɖ 冐 맨 맨<br />
. Ṧ R Ύ 冐 맨 맨Ύ Ϯ맨 맨Β Ṧo Α 맨Β 䁀 맨 맨 맨Η 맨Β 䁀 맨 맨 맨Η Ṧo ൴맨 Α /<br />
Sb<br />
+I<br />
υ<br />
→ I<br />
B<br />
⇒<br />
C<br />
⇒<br />
α =<br />
A υ<br />
= α× I<br />
I<br />
B<br />
G<br />
A<br />
υ<br />
E<br />
= 20×10<br />
pn<br />
ᕪ68<br />
=<br />
ᕪ84<br />
= 0.98 × 20×10<br />
pn<br />
P<br />
-3<br />
= 0.98<br />
-3<br />
- 19.6×10<br />
-3<br />
= 19.6×10<br />
= 0.4×10<br />
맨 Ṧ 冐 Β ᕩΑ ꠀ 冐 맨 Ṧ똨 ᕩ 횠Ϝ o Ύ 맨Η 맨Β 䁀 맨 맨 맨Η 맨Ύ Ϯ맨 맨Β /<br />
B.<br />
맨맨맨 ᕩΑ ꠀ 冐 맨 Ṧm m 횠Ϝ o Ύ 맨Η 맨Β 䁀 맨 맨 맨Η 맨Ύ Ϯ맨 맨Β<br />
n<br />
n<br />
P<br />
-3<br />
-3<br />
A<br />
A<br />
P<br />
-3<br />
冐<br />
IE<br />
= IB<br />
+ IC<br />
Iout<br />
α = ,<br />
Iin<br />
V = I R<br />
P<br />
P<br />
out<br />
out<br />
in<br />
= I<br />
= I<br />
in<br />
out<br />
out<br />
V<br />
V<br />
in<br />
out<br />
out<br />
, Iout<br />
= IC<br />
, Iin<br />
= IE<br />
or<br />
Vout<br />
Pout<br />
AV<br />
= , G = = α × A<br />
Vin<br />
Pin<br />
, Vin<br />
= Iin<br />
Rin<br />
or P = I R or P<br />
or<br />
P<br />
in<br />
out<br />
= I<br />
2<br />
in<br />
R<br />
2<br />
out<br />
in<br />
out<br />
or<br />
P<br />
in<br />
out<br />
2<br />
in<br />
V<br />
=<br />
R<br />
in<br />
V<br />
I<br />
in<br />
V<br />
=<br />
R<br />
2<br />
out<br />
= I<br />
out<br />
B