【简答题】13-3-3 )有效值为 100V 的 正弦电压加在电感 L 两端时,得电流 ;当电压中 有三次谐波,而有效值仍为 100V 时, 得电流 。 试求这一电压的基波和 三次谐波 电压的 有效值。
【单选题】驱使消费者实行购买行为的内在驱动力是( )
【单选题】what should the reservation clerk says first when he/she answers the phone?
A.
Reservations, may I help you?
C.
please come to our hotel
D.
please enjoy your stay.
【单选题】Your company has an IPv6 network that has 25 segments. You deploy a server on the IPv6 network.You need to ensure that the server can communicate with all segments on the IPv6 network. What should you...
A.
Configure the IPv6 address as fd00::2b0:d0ff:fee9:4143/8.
B.
Configure the IPv6 address as fe80::2b0:d0ff:fee9:4143/64.
C.
Configure the IPv6 address as ff80::2b0:d0ff:fee9:4143/64.
D.
Configure the IPv6 address as 0000::2b0:d0ff:fee9:4143/64.
【单选题】在采用EPC-50控制器的S型分油机自动控制系统中,用于检测分油机振动的传感器是( )。
【单选题】在采用EPC-50控制器的S型分油机自动控制系统中,其核心组成是( )。
【简答题】有效值为100V的正弦电压加在电感L两端时,得电流I=10A,当电压中有3次谐波分量,而有效值仍为100V时,得电流I=8A。试求这一电压的基波和3次谐波电压的有效值。
【简答题】有效值为100V的正弦电压加在电感L两端时,得到电流I=10A。当电压中有3次谐波分量,而有效值仍为100V时,得到电流I=8A。则该电压中基波的有效值为()V。注:结果保留两位小数。
【单选题】在采用EPC-50控制器的S型分油机自动控制系统中,其核心组成是( )。
【单选题】Your company has an ipv6 network that has 25 segments. You deploy a server on the ipv6 network. You need to ensure that the server can communicate with all segments on the IPv6 network. What should yo...
A.
ConfiguretheIPv6addressasfd00::2b0:d0ff:fee9:4143/8
B.
ConfiguretheIPv6addressasfe80::2b0:d0ff:fee9:4143/64
C.
ConfiguretheIPv6addressasff80::2b0:d0ff:fee9:4143/64
D.
ConfiguretheIPv6addressas0000::2b0:d0ff:fee9:4143/64