【简答题】英译汉:I’d like to invite you to come to my birthday party. Would you like to join us?
【简答题】电流表的内阻是 Rg = 200Ω ,满刻度电流值是 Ig = 500μA ,现欲把这电流表 改装成量程为 1.0V 的电压表,需串联 ______________ 的电阻。
【简答题】一个电流表的内阻是1000Ω,满偏电流是200μA,把它改装成量程是200V的电压表,应该______联一个______的电阻。
【单选题】What club would you like to join?
【单选题】Would you like to join in the community activities?
【单选题】Would you like to join us?
【单选题】电流表的内阻是200Ω,满刻度电流值是500微安培,欲把这电流表改装成量程为1.0V的电压表,正确的做法是:()
【简答题】19作业.doc 注意:自本周起,作业全部采用线上下达、上传的方式完成。
【简答题】直流电流表通常按平均值来刻度,交流电流表通常按_____值来刻度。
【简答题】一个电流表的表头内阻是l000Ω,满偏电流是200_uA.要把它改装成量程是200V的伏特表,应该______联一个阻值是______kΩ的电阻.