An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard as aA.magnetic amplifierB.ship's service alternatorC.three-wire DC generatorD.saturable core reactor

题目

An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard as a

A.magnetic amplifier

B.ship's service alternator

C.three-wire DC generator

D.saturable core reactor


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  • 第1题:

    11、按照软件架构要求,PIE模块句柄指针变量myPie在()初始化。

    A.User_Pie.c

    B.module.c

    C.User_Device.c

    D.F2802x_Device.c


    D

  • 第2题:

    直流电机的主要结构包括() The main structure of DC motor includes ()

    A.主磁极Main magnetic pole

    B.电刷brush

    C.换向器commutator

    D.电枢armature


    ABC

  • 第3题:

    按照软件架构要求,time模句柄指针变量mytime0在()定义。

    A.User_System.h

    B.module.h

    C.User_Device.h

    D.F2802x_Device.h


    F2802x_Device.h

  • 第4题:

    一质点在空中运动,只受重力作用。设质点作自由落体运动时,其惯性力为FI1;质点被铅直上抛时,其惯性力为FI2;质点沿抛物线运动时,其惯性力为FI3,则()。

    A.FI1= FI2= FI3;

    B.FI1¹ FI2¹ FI3;

    C.FI1=FI2¹ FI3;

    D.FI1¹ FI3¹ FI2 。


    Fg1 = Fg2 = Fg3

  • 第5题:

    按照软件架构要求,CPU模块句柄指针变量myCPU在()初始化

    A.User_System.c

    B.module.c

    C.User_Device.c

    D.F2802x_Device.c


    F2802x_Device.c

  • 第6题:

    【单选题】以下哪个是设置布线安全间距的规则

    A.Routing→Width

    B.Routing→Width Layers

    C.Electrical→ShortCircuit

    D.Electrical→Clearance


    Routing Layers