【单选题】【消耗次数:1】
( )也称公称电压或标称电压,是指在规定条件下电池工作的标准电压。
开路电压
额定电压
工作电压
放电电压
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相关题目
【单选题】 额定电压也称( ),指的是规定条件下电池工作的标准电压。
①  电动势
②  工作电压
③  标称电压
④  开路电压
【单选题】 熔体的额定电压应()线路的工作电压
①  小于
②  大于或等于
③  必须等于
④  必须大于
【单选题】 发电机额定电压比线路额定电压( )。
①  高5℅
②  低5℅
③  相等
【单选题】 变压器副边额定电压是变压器原边加额定电压,副边()
①  空载相电压
②  空载线电压
③  额定负载相电压
④  额定负载线电压
【单选题】 电池开路电压与以下哪个因素无关( )。
①  正负极材料活性
②  电解质
③  温度条件
④  电池几何结构与尺寸
【单选题】 变压器二额定电压是( )。
①  一次有额定电流时的电压
②  一次有额定电压,二次空载时的电压
③  一次有额定电压,二次有额定负载的电压
④  二次额定负载下的电压
【单选题】 确定额定电压的意义()。
①  应该经过充分论证,由国家主管部门确定
②  额定电压随意确定
③  电力系统有确定的电压
④  所有电器有一个额定电压
【单选题】 我国规定的标准额定电压等级有(   )
①  110kV 220kV 380kV
②  121kV 200kV 300kV
③  110kV 220kV 500kV
④  110kV 242kV 330kV
【单选题】 铅蓄电池放电时,端电压逐渐( )。
①  上升
②  平衡状态
③  下降
④  不变
【单选题】 锂离子电池标称电压一般为( )。
①  1.5V
②  3.7V
③  4.2V
④  4.35V
随机题目
【单选题】 Zhao Benshan, whose overwork __________ his health failure, is said to have performed in the Spring Festival Gala on CCTV in 2011.
①  contributed to
②  appealed to
③  applied to
④  owed to
【单选题】 The athletes years of hard training __________ when she finally won the Olympic gold medal.
①  went on
②  got through
③  paid off
④  ended up
【单选题】 The teacher [填空] us to have lessons on time.
①  ask
②  asking
③  asks
④  asked
【单选题】 Jan [填空] over there.
①  is
②  are
③  am
④  was
【单选题】 Please get me a new [填空] when you go back home.
①  clothes
②  dress
③  clothing
④  trousers
【单选题】 She cant get down to work because she was deeply __________ by the news of his death.
①  surprised
②  affected
③  harmed
④  charged
【单选题】 It [填空] him half an hour to write the letter.
①  take
②  takes
③  took
④  taking
【单选题】 How many [填空] would you like?
①  paper
②  bread
③  pieces of papers
④  pieces of bread
【单选题】 The weather is [填空] hot
①  too
②  much
③  more
④  many
【单选题】 A candidate for the democratic presidential nomination ______ at this moment.
①  is interviewed
②  being interviewed
③  is being interviewed
④  interviewing