作业帮英语问题懂的进来拿分 12.A flashlight bulb uses 8.4 W of power when the the current in the bulb12.A flashlight bulb uses 8.4 W of power when the the current in the bulb is 0.6 A.What is the voltage difference?What is the resistance of the fl
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英语问题懂的进来拿分 12.A flashlight bulb uses 8.4 W of power when the the current in the bulb12.A flashlight bulb uses 8.4 W of power when the the current in the bulb is 0.6 A.What is the voltage difference?What is the resistance of the fl
英语问题懂的进来拿分 12.A flashlight bulb uses 8.4 W of power when the the current in the bulb
12.A flashlight bulb uses 8.4 W of power when the the current in the bulb is 0.6 A.What is the voltage difference?What is the resistance of the flashlight circuit?
.How many neutrons and pro tons are in an atom of phosphorus-31,atomic number 15,and determine how many electrons should be in the first,second,third,and fourth energy levels?
英语问题懂的进来拿分 12.A flashlight bulb uses 8.4 W of power when the the current in the bulb12.A flashlight bulb uses 8.4 W of power when the the current in the bulb is 0.6 A.What is the voltage difference?What is the resistance of the fl
一个闪灯由8.4瓦电源供电,当灯泡电流为0.6A时,电势差是多少?闪灯线路的电阻是多少?
电势差为 8.4÷0.6=14 伏
电阻为 14÷0.6=23.33 欧
功率为8.4w，电流为0.6A，求电压和电阻值。
原子序数为15的磷—31有多少中子和质子，第一，二，三，四能级上有多少电子？
12。一个手电筒灯泡用8.4 W的能力,灯泡中的电流0.6 A之间的电压差是什么?什么是电阻的手电筒的赛道吗?
当一个手电筒的电流是0.6A时，它消耗的功率是8.4W.电压差是多少？手电筒电路的电阻是多少？