The output voltage of a 440 volt, 60 hertz, AC generator is controlled by the ().
相似题目
-
Which line from the output of the show ip interface command indicates a layer 1 problem?()
-
When the voltage remains constant and the resistance is increased in a series circuit, the flow of current ()
-
The most inefficient method of voltage reduction from the stand point of power loss, is a/an ()
-
A system administrator ran the vmstat command because of performance problems. The output of the vmstat is given: https://assets.asklib.com/images/image2/2018080211371032132.jpg Based on the output, which of the following is insufficient?()
-
The output voltage of a three-phase alternator is regulated by the ().
-
Which of the following commands should be used to obtain a detailed output of the system error log?()
-
With a purely () load the voltage and current are in phase, giving a power factor of one.
-
When troubleshooting a network, the output of the command show interfaces indicates a large number of runts. What is a runt?()
-
The voltage output of an AC generator is controlled by()
-
The ratio of output response to a specified change in the input is known as()
-
Which two of these methods will allow a CUE administrator to view the output of the CUE message log file?()
-
The height of a VHF radio antenna is more important than the power output wattage of the radio because().
-
Which of the listed items will stop a motor due to a reduction in voltage and restart it when the voltage is restored to normal?()
-
A process of learning any language consists of output and input skills. Which following word is the part of output?
-
in the common-emitter circuit with a voltage-divider bias, the ( ) of the Q-point are independent of β
-
the output of a AND gate is HIGH when
-
A NAND gate has an output that is opposite the output of an AND gate
-
A language consists of output and input skills. Which one is the part of output?
-
______is the device that provides amplification(the increase in current, voltage, or power of a signal)without appreciably altering the original signal.
-
Unregulated power supplies contain three basic components: a transformer, retifier and filter capacitor. Thi type of power supply, because of its simplicity, is the least costly. The disadvantage is that the output voltage is not constant.
-
Find the power of the voltage source of 40V. ( )a7753c0584cc13ae509c45a6ea769fd2.jpg
-
With a purely resistance load the voltage and current are in phase, giving a power factor of _____.
-
It is fitted with a small transformer, by means of () the voltage of the currency can
-
If the voltage between the plates of a parallel-plate capacitor is doubled, the capacitance of the capacitor ().
推荐题目
- 青年报内容丰富,突出实用性,让农村青年朋友感到实实在在的服务和帮助。形式活泼多样,增强互动,满足农村青年用户的娱乐需求。1条/天。业务资费:()元/月。
- 简述工作丰富化的核心是体现激励作用,表现在哪几方面?
- 被审计单位存货内部控制目的之一是准确发货并恰当开票,以下控制程序最为无效的是()。
- 商品流通企业的基本目标是()。
- 女,32岁,右下后牙龈向外膨隆,后牙渐松动3个月。X线片(如图)示右下颌磨牙区颌骨呈蜂房样改变,病变区牙根呈锯齿状吸收。该病人最可能的诊断是()https://assets.asklib.com/psource/2015112416122042278.jpg
- 疮口呈有空腔或伴瘘管,脓水清稀,杂有败絮状物,为()。
- 根据《住宅区和住宅建筑内光纤到户通信设施工程施工及验收规范》,地下通信管道的()混凝土标号,应符合设计要求。
- 以下哪些是烛之武退秦师的手段?()
- 根据《国家民用航空安全保卫方案》的规定,公共航空运输企业运输托运的武器时应当确认枪支和弹药分离。()
- 《党章》规定,党必须加强对工会、共产主义青年团、妇女联合会等的领导,使它们保持和增强()。