【单选题】【消耗次数：1】
电容元件的正弦交流电路中，电压有效值不变，当频率增大时，电路中电流将（ ）
①
增大
②
减小
③
不变
参考答案：
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相关题目
随机题目
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/E37DA3C75F88E544D21625ADA3BFDD1A.png title=}WPBXS4@[180$2{%5ZM[TYD.png alt=}WPBXS4@[180$2{%5ZM[TYD.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/965396B80BB0E6B94170243EF1A76055.png title=_A2K]N04J%XZ9)])902C8OS.png alt=_A2K]N04J%XZ9)])902C8OS.png/>
②
img src=https://huaweicloudobs.ahjxjy.cn/BDEB1B4AB8E04B602C088D5BD4E16A7C.png title=`)`6)@]H`H~3`X
③
OSF3C82.png alt=`)`6)@]H`H~3`X
④
OSF3C82.png/
⑤
<img src=https://huaweicloudobs.ahjxjy.cn/7928B2C6BF37BB62D25175FD8C655A86.png title=~A]G5[69ID@4LQE~(P0DYP6.png alt=~A]G5[69ID@4LQE~(P0DYP6.png/>
⑥
<img src=https://huaweicloudobs.ahjxjy.cn/AF782AE041FF036C37159A17F856705A.png title=V{LAUF}5O@)Y)D9HEC}E[3H.png alt=V{LAUF}5O@)Y)D9HEC}E[3H.png/>
【单选题】
下列函数中，在点<img src=https://huaweicloudobs.ahjxjy.cn/3DC0FA53F615AEF610AD91B9AA22C255.png title=F79FXO[$F7R_`Q8SLN$IV5T.png alt=F79FXO[$F7R_`Q8SLN$IV5T.png/>处连续的函数是（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/8A77645B7A618A607E5D92147A6470DF.png title=WH$5BYT$`@A8MQ`$X3IY]HP.png alt=WH$5BYT$`@A8MQ`$X3IY]HP.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F362838961F7A16F6DA592A44056E778.png title=H936{2R3}_A5N[C17S)0G$T.png alt=H936{2R3}_A5N[C17S)0G$T.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B31DB6C86AF6596E634623E53E0E46A0.png title=_EURZ`ZFUS6Q5AU`1SGG]YV.png alt=_EURZ`ZFUS6Q5AU`1SGG]YV.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F85FD73CE65CFD3D0533CC2E5E5D6AEE.png title=]S7%D$5R{[FHFA$PVVO))EV.png alt=]S7%D$5R{[FHFA$PVVO))EV.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/EA6FB79FF8DF7A9F3A2D0CEB093C717F.png title=QQ图片20160224214006.png alt=QQ图片20160224214006.png/>在<img src=https://huaweicloudobs.ahjxjy.cn/DF3DA077C2189146990B3800DA1E18ED.png title=QQ图片20160224214023.png alt=QQ图片20160224214023.png/>的偏导数存在，则<img src=https://huaweicloudobs.ahjxjy.cn/61AF63E59A60D6B49960C25A0B85414F.png title=QQ图片20160224214038.png alt=QQ图片20160224214038.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/588DCE737E539AFE5318232DBC0C8858.png title=QQ图片20160224214107.png alt=QQ图片20160224214107.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/1898B210FBB62DA4DA7997BB95A4D586.png title=QQ图片20160224214125.png alt=QQ图片20160224214125.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C9D08ECB097A69F4F22594D120D687E7.png title=QQ图片20160224214140.png alt=QQ图片20160224214140.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/6101D759594C1C2892D8E9F8195520C5.png title=QQ图片20160224215328.png alt=QQ图片20160224215328.png/>
【单选题】
二元函数<img src=https://huaweicloudobs.ahjxjy.cn/970CBEFB46F8FE0F0043C9AC8113E3B1.png title=7Q[G4PYYU6I{UAZ[O3%NZDJ.png alt=7Q[G4PYYU6I{UAZ[O3%NZDJ.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/008967DC195A3C7B295FCCC63EAB3DB1.png title=}V2FFJMDD78TE]3C3V9WTIP.png alt=}V2FFJMDD78TE]3C3V9WTIP.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/225BCF2544ADA9FC13F4BC26B300BDD0.png title=1%{1V1DQX{2@CJ0GRHDUT3O.png alt=1%{1V1DQX{2@CJ0GRHDUT3O.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/9EAD356AA1989248F835B4ED1DD7C6CD.png title=2U}2`G}NI6FFW56A~ZJS4VY.png alt=2U}2`G}NI6FFW56A~ZJS4VY.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/53CF3E4DEF65390CE2882F63044246E1.png title=KJ9I9X300F[75LPM`0_GGTF.png alt=KJ9I9X300F[75LPM`0_GGTF.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/ED9F6EC3355A4D6A2F9DD92446E36F1C.png title=J[PYJNW5RUF890BKF}NMXSQ.png alt=J[PYJNW5RUF890BKF}NMXSQ.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C888431221C8214E7C8EE8DF2C574FE1.png title=4G`$TT$%_TQBOPR60~CP0`P.png alt=4G`$TT$%_TQBOPR60~CP0`P.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/A1A03E823BCCDC44FF3B7540E9FB032A.png title=76SJN9OIZY%GK(QH)QK[TGX.png alt=76SJN9OIZY%GK(QH)QK[TGX.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/10F3C14DD0E25BF16D2E24E7AB495913.png title=JBGHW8ZMKMT_]N]5J]]%~QX.png alt=JBGHW8ZMKMT_]N]5J]]%~QX.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/8633D7870D39DE33CA3CD61A920DFFBF.png title=ZUGZQ%FL}W)WQ%15[Y@[{CH.png alt=ZUGZQ%FL}W)WQ%15[Y@[{CH.png/>
【单选题】
已知函数<img src=https://huaweicloudobs.ahjxjy.cn/0A3235CF2C49A584D4AE3C84D0724020.png title=CINL((9V)@MLXKVD]83I%[4.png alt=CINL((9V)@MLXKVD]83I%[4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/10CFD2DAE1B4CA6406B27D20E6A8B444.png title=63[W65VTW`U93MJ3OJCJMR2.png alt=63[W65VTW`U93MJ3OJCJMR2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/677839BAF03CAF71F72F8305E702397D.png title=BFLMZOO941~ZPTEZD%}9QXK.png alt=BFLMZOO941~ZPTEZD%}9QXK.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/11FC09D35925F667D5A4A1FB74A7DF7F.png title=MACZ4%}1W39~{E`9}T`S6)W.png alt=MACZ4%}1W39~{E`9}T`S6)W.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2A4AAB862C9B1F489EED261C5CBE30ED.png title=ZKSM7$J[95K9E[YYMBRDV3W.png alt=ZKSM7$J[95K9E[YYMBRDV3W.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/16569026F0FF3E5548A9683693C7BD6D.png title=L1~UT1RO%XDQ`B%I7[GI$03.png alt=L1~UT1RO%XDQ`B%I7[GI$03.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/5F0557C11D9FF7056734DB1698E0ECAE.png title=)GQI)ZG56G1T61T%R0(V_QV.png alt=)GQI)ZG56G1T61T%R0(V_QV.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/DCCAF1C2315A870267D45FC863ED88EC.png title=JY(%XK)UNM44E{HF1P{JR@O.png alt=JY(%XK)UNM44E{HF1P{JR@O.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/581E97D3D5965C7F93CCCE2EE312ADB9.png title=P[X@CXT{49YZL_ATLD%H]0P.png alt=P[X@CXT{49YZL_ATLD%H]0P.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/DCD002B39912C3F4713B9828172F27FA.png title=PKL`JFCZ073`XQ_}7Y(PFLS.png alt=PKL`JFCZ073`XQ_}7Y(PFLS.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/904FCF141FF9600B94C8AD3DEDD93ECF.png title=C5)2~E5}LP]NDJ3$F06B4T4.png alt=C5)2~E5}LP]NDJ3$F06B4T4.png/>
①
2
②
1
③
0
④
不存在
【单选题】
函数<img src=https://huaweicloudobs.ahjxjy.cn/292B32EE4173AEA43E59847F36722497.png title=KV4~RZ3(T{JLLV4E{]U2RS8.png alt=KV4~RZ3(T{JLLV4E{]U2RS8.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/97101D433DC34877DECFFED2A8E8D14A.png title=O9QIIJOHZNELO8J}S(T}38B.png alt=O9QIIJOHZNELO8J}S(T}38B.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/5AF42ED7E8A3D72661425A590F1BB5A4.png title=F`IO)RBZ]ESS_@FQ6BX)_}R.png alt=F`IO)RBZ]ESS_@FQ6BX)_}R.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C13193FD9441232A1D543DA4C6E6432B.png title=LRP5_T%VVH]IF9}PIUFOD62.png alt=LRP5_T%VVH]IF9}PIUFOD62.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A14577E16BA2C6FACC961D1AAB56AFFE.png title=QF(8_79AUWPOY96GRA9ED{J.png alt=QF(8_79AUWPOY96GRA9ED{J.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/3C59AAA2B1D261E91B71F0399FFE3BB9.png title=D1)$]}2N0B{07A[Y~(GP]YX.png alt=D1)$]}2N0B{07A[Y~(GP]YX.png/>，则<img src=https://huaweicloudobs.ahjxjy.cn/BE4E1AC3AE044A1A632CDFB6C1F1DE79.png title=102XPDXRAEKU~C22~R7%3I6.png alt=102XPDXRAEKU~C22~R7%3I6.png/>（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/DFA8B3969FDA2AF25D1ED919534ADEB5.png title={N6RJDN@_W[Q10J0}PIFKZG.png alt={N6RJDN@_W[Q10J0}PIFKZG.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/6B9BC6B3799C47216ED2604CA4000593.png title=N%378_5@WD)N(38GOR_(SXS.png alt=N%378_5@WD)N(38GOR_(SXS.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/8B31DBF3F69155EE38F5DB383CFB7586.png title=GCK]VIQ0`OQCJYY{)ZQEE2W.png alt=GCK]VIQ0`OQCJYY{)ZQEE2W.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2786AA8461E9B1F56F05809915892AE1.png title=OAA41G{JZFV{PG8Z08KM)VI.png alt=OAA41G{JZFV{PG8Z08KM)VI.png/>