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脉宽调制 （Pulse Width Modu!ator ，简称 PWM) 控制就是通过脉冲宽度进行调制的技术，即通过
脉宽调制(Pulse Width Moduator，简称PWM) 控制就是通过脉冲宽度进行调制的技术，即通过改变脉冲宽度改变输出的平均电压。()
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（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
脉宽调制(Pulse Width Moduator，简称PWM) 控制就是通过脉冲宽度进行调制的技术，即通过改变脉冲宽度改变输出的平均电压。()
如果结果不匹配，请 联系老师 获取答案
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此题为判断题(对，错)。
A meter used to measure amperes is called ______ (a/an) _______ (ammeteroltmeter).A voltmeter should be connected to the circuit being tested ___________________ (in series/in parallel).In a series circuit the voltage is ___________ (dropped) or lowered by each resistance in the circuit. The higher the resistance, the greater the ___________ (drop/rise) in voltage.If the voltage increases in a circuit, the current ____________ (increases/decreases) if the resistance remains the same. The symbol for voltage used in calculations is ________ (U/I/R).Today, the term, mechatronics, __________________ (encompassed/compassed) a large array of technologies, many of which have become in their own right. A _____________ (parallelries) circuit is a complete circuit that has more than one path for the current to flow, most of the ___________ (voltage/current) will flow through the branch with the lower resistance.Cycles per second are expressed in _________ (Hertz/Pulse width).
