chuyen de nhiet

                                                                                                                                                             Đinh Việt Đức  – ChÕ t¹o nam ch©m vÜnh cöu, nghiÖm l¹i tõ tÝnh cña èng d©y cã dßng ®iÖn K     a K  !"#$% &'' ($)*$+#,-.$/0 12#,-34/54"##$$6"# 784)9( (:;4')*<&$+=$&>4,- )?&@.$/#A5#0 ( B =$ C4 &>4  $+ D 7A =E4 FG FB$::H5I4J#$KG#A=E42)5#=$ 4L'$GFB$=$:M'$G#A=E4 …  !"#$% &'' (J 'F')@/"#$+N47A:784 )9AO #3P 784)94'3847A&>4 $+=$#$$0 12=$#$$348434L$+)L N4 7A(CQ3)@5I4"#=$#$$$F')@ P ')54Q/484N47A(/):F')@ /"#N47A(R# ):7S4O AGG$#A-)*F' )@P 784)9A4'384"#N47A( chuÈn bÞ  !" è#$%&'() **+,#-*,  ./0(1+2… 3(4#$%#5(46781,(467 .9:';<(=#$%0>#,3.#-*,?2 !@6 A(4B@(),C(4#3 ?è#$%'()**+,#-*,  ./0(1+2… D!6E#4FG#H IJGK Néi dung thùc hµnh LM4($NO 2=P=#$%&Q RS:G(4#$%81#T <(=#$%0('()U 1E 62 O  $ VH% G (4 WV 0 'X = #$%, @P @9Y 0<( C (4 7 Z 67 :  [Y B '" \(, [ ' ]%>/7#T<(19^(_ `(%((4'@(4.WV2@'X9Q6P,6"%,[ '$670a@4,(4WV7#T<(9Q(_V9b% @PQC(4WV J'Mc)(6)d56G(G(F\Ge(4WV(0a $NO 2fg6E#4FG#H>d$9YM4( hR@10G1 Néi dung thùc hµnh @4Kd=#$%/#+4%c RS=#$%7Vc@C0+0>=#$%F0<( $9YM4((0(@+d=#$%`(%=#$%[( ($7[([(QS1idG+#$%L=e [Y#$%B0<($(GK!=#$%(4 / h^@10G1 Néi dung thùc hµnh @4Kd=#$%/#+4%c 2R/4j[G9Y\)%0Q$,(b \8f(d$0(@+=#$%,\Ge> d=#$%#+4%c=#$%WF0@4'Mc) 9Y"cPGd,(6) d 56G(G( RkdFk#+(#$%VS1@4 "9l@am2J'Mc)(6) d56G(G( Một số hình ảnh động cơ điện một chiều trong thực Ml b1aM09Q Dõng m¸y cho c¸c em thùc hµnh a K thÝ NGHIÖM ¶O h$%@ )(F(4(@̀ TU U V U V V U TV U UV UU WV LM4($NO thÝ NGHIÖM ¶O O$      #( VP