第十一章 第四节 第1课时 电流电流表-2020-2021学年九年级全一册初三物理【名师学案】(北师大版)

!"#$%&'( ! !" )*)+,-./ %+ !!! !6# ! MV 0 # 12 ! _k ! """"""""""""""""""""""" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " """""""""""""""""""""""" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " # ## # _kl !" �0( ! Y%©" ! 8��¾ " �WQ«�¾ (�B [ ! = J R � � ª Í Õ J ? B %   � ! ! #" » ! �J� ! æB�,(�B�æf�¾(� B ! VCD�"Z(�¾[ ! aâJv ! æB �,8�( " £mCDZ�}�,(�B@� ¾(�BDÁ ! $" �¾��©EF ! , ! RS " §(MN[ ! «¬ ! " ©^_RSf ! % ! ! !&, ! &' 2 ! 1&, ! &' 7 ! % & ! %" �¾R[©�GC ! JB ! H{(9R ! §( Õj;©�«[ $ ' ! ( �¾Rßà@1G(©�ü ! �� ! # ' # ( �¾0$ ! � ! ��Ó¾E " $ !   ! �� Ó¾¼ # ' $ ( £G(�¾ ! J( ! Hu£ûCv(FH GCJ # ' % ( óôÆÇ, " ! J­® ! »�¾RI�@� W(²yD¢ ! -" fJjK¼�¾J " 0hi�j ! ¾¯JBÇ8* = ! " ¼½0 ! °YJBÇ8u>5 ! " F½$% KùBLMoïòó{N�KO ! $ !"#$%& ! �© !" ©0ÁÓ)�Þ�� # !"�Z¨yZ<î)* ! " " &" ô&Á5)ïôÐ'-(�ÞÁÓ '" ô&<ÁÏ)ïôÐ'-(�ÞÁÓ (" ô&< ' "ÁÏ�³ïôÐ'-(�ÞÁÓ )" %áZ)ÁÓ*÷'Á5ïôÐ'�Þ) #" 1û®Áj<Y�ȳ # LX)ÁÓ^(v -& # 7 ®ÁjP(* ! " " &" Áe� '" �Π(" Cô� )" }  $" � � � � # l Á � ) D þ * ! � ! À # E k * !   ! À $ hp�©+ # LXbÂ�)ÁÓ [ô* ! ! * " ! # LXbÂ�)÷'Á5ïôÐ') [ô* ! " * ! ! $! 8[\ % $ - % & ` % % - $ &" %" ���� # q�j�ȳ # mÇ)ÁÓ( !** % & # p ! '/& ! 1&, ! &1&' (0 ! & ) é�F�³ # LXé�)Á Ó(v #*1& # p ! '/'. ! &, ! .1&' 0 ! % & $ '''''''''''''''''''''''' ( ( ( ( ( '''''''''''''''''''''''' ' ' ' ' ' !! !" ��R$` ! JM'äƸ�tJ|-Æ�" äÆ � " #" AJV·� ! JM'äÆ/ÅpqMÆ!q " $ !"#$%) ! �©ª -" Á Ó ¢ G H \ � ¸ ) ® Á j ! � ! Ò $ � Z ) Á Ó ¢ p s ü v ! '/& ! & # I|v ! ./3 ! & $ ." ! #*!+ " ^_`#$ # ��,�� ) Á Û # É � © J hp+ # Á Ó ¢ ¸ d ) * L X ! = . ! ! [ \ % Á ¯ & % G ! & ` % G # &" ) Á Ó # Á Ó ¢ ) Ú û J � � � / � � # ÁÓ¢)�|v ! '/.* ! & $ /" 1®ÁÓ¢¸LX1�$)ÁÓ³ # ª[® * & $& )dY # ¸£)ÁÓüv *"-& ) ª­® * & *".& d Y # ¸£)ÁÓüv *"-#& # ßóLX7�$)ÁÓ ^b�* ! % " &"*"-#& '"*"-!& ("*"-& )" ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( xyîï ,-17+*89 ./17:;< &, !!! 0" ���� # ÁÓ¢ìí<î)* ! " " '''''''''''''''''''''''' ( ( ( ( ( ( ( (