(2005)图示电路中,二极管视为理想元件,即正向电压降为零,反向电阻为无穷大。三极管的β=100。输入信号UA、UB的高电平是3.5V,(逻辑1),低电平是0.3V(逻辑0),若该电路的输出电压U0为电压平时定为逻辑1,图7-10-8所示电路应为:()https://assets.asklib.com/psource/2015110414365274470.png
图示外伸梁,A截面的剪力为:() https://assets.asklib.com/psource/2016071912043967393.jpg https://assets.asklib.com/psource/2016071912044252215.jpg
图示交流电桥,试推导电桥平衡时计算R x 和L x 的公式。若要求分别读数,如何选择标准元件? https://assets.asklib.com/psource/2014102910150854513.png
图示元件的 https://assets.asklib.com/images/image2/2017120715305716124.jpg 和 https://assets.asklib.com/images/image2/2017120715310867779.jpg 的波形如图,则此元件为()。 https://assets.asklib.com/images/image2/2017120715311679655.jpg
图示体系,质点的运动方程为:() https://assets.asklib.com/psource/2016071810063590056.jpg https://assets.asklib.com/psource/2016071810064376152.jpg
图示体系为()。https://assets.asklib.com/psource/2015110415281210288.png
图示电路中,流过元件A的电流I=(),该元件在电路中()功率。https://assets.asklib.com/images/image2/2017051916505441405.jpg
图示电容元件的 https://assets.asklib.com/images/image2/2017120714590669900.jpg ,则 https://assets.asklib.com/images/image2/2017120714591837609.jpg 等于() https://assets.asklib.com/images/image2/2017120714585610038.jpg
分析图示液压系统说明:液压系统图中元件1、2、3、4、5、6、的名称;系统采用何种调速方式?什么情况下需要电磁铁4YA通电?https://assets.asklib.com/psource/20150624114406915.jpg
图示正弦交流电路中,已知u=100sin(10t+45°)(V),i 1 =i=10sin(10t+45°)(A),i 2 =20sin(10t+135°)(A),元件1、2、3的等效参数值为() https://assets.asklib.com/psource/2015102715522891568.jpg
图示三力矢 https://assets.asklib.com/psource/2015110210014063428.png 1、 https://assets.asklib.com/psource/2015110210014063428.png 2、 https://assets.asklib.com/psource/2015110210014063428.png 3的关系是()。 https://assets.asklib.com/psource/2015110210023161678.png
图示电路具有()。https://assets.asklib.com/psource/2016071816441767869.jpg
图示电感元件的磁链 https://assets.asklib.com/images/image2/2017120715192468277.jpg 则电感L=()H。 https://assets.asklib.com/images/image2/2017120715193670348.jpg
图示电感元件的磁链 https://assets.asklib.com/images/image2/201712071517471374.jpg =()A https://assets.asklib.com/images/image2/20171207151808238.jpg
设图示电路中的元件参数为已知,若采用支路电流法求解各支路电流,则需列写的最少独立方程个数为()。https://assets.asklib.com/psource/2015110110121425376.jpg
根据图示考虑是何种疾病() https://assets.asklib.com/psource/2015111614071235190.jpg https://assets.asklib.com/psource/2015111614071484126.jpg https://assets.asklib.com/psource/2015111614071715798.jpg
图示正弦交流电路中,已知u=100sin(10t+45°)(V),i1=i=10sin(10t+45°)(A),i2=20sin(10t+135°)(A),元件1、2、3的等效参数值为:()https://assets.asklib.com/psource/2015110414083543852.png
图示电容元件的 https://assets.asklib.com/images/image2/2017120715053288847.jpg 等于() https://assets.asklib.com/images/image2/2017120715051854424.jpg https://assets.asklib.com/images/image2/2017120715035253333.jpg
图示梁中点C的挠度等于:() https://assets.asklib.com/psource/2016071811213193887.jpg https://assets.asklib.com/psource/2016071811213621946.jpg
图示体系为()。https://assets.asklib.com/psource/2016071810224111477.jpg
图示电感元件的 https://assets.asklib.com/images/image2/2017120715262928257.jpg 等于() https://assets.asklib.com/images/image2/2017120715264273482.jpg https://assets.asklib.com/images/image2/2017120715265048805.jpg
图示梁EI=常数,B端的转角是:() https://assets.asklib.com/psource/2016071811063772558.jpg https://assets.asklib.com/psource/2016071811064524128.jpg
根据图示,考虑是何种癫痫类型是() https://assets.asklib.com/psource/2015111614044246878.jpg https://assets.asklib.com/psource/2015111614044792187.jpg https://assets.asklib.com/psource/2015111614045039430.jpg
图示结构B点的竖向位移为:() https://assets.asklib.com/psource/2016071809483536108.jpg https://assets.asklib.com/psource/2016071809484444090.jpg