题干

 如图所示,实验桌上有两个完全相同的烧瓶,烧瓶内装有质量相等、初温相同的煤油、完全相同的温度计,烧瓶内还分别装有阻值为10Ω的电阻丝R1和阻值为5Ω的电阻丝R2.实验桌上还有满足实验要求的电源、电阻箱和开关各一个,电流表和停表各一块,导线若干.小新利用上述实验器材证明“电流通过电阻产生的热量跟电阻阻值大小有关”.

小新的主要实验过程如下:

①将电阻箱、电流表及图所示的装置甲等电路元件串联接入电路中,将电阻箱的阻值调为5Ω.

②闭合开关,同时按下停表开始计时,记录电流表的示数为0.3A,通电时间为2min时,停止计时,记录此时温度计的示数40℃,断开开关.

③用如图所示的装置乙替换电路中的装置甲,将电阻箱的阻值调为10Ω.闭合开关,同时按下停表开始计时,观察电流表示数仍为0.3A.当温度计示数为40℃时,停止计时,读出通电时间5min,记录数据,断开开关.

于是小新认为“电流通过电阻产生的热量跟电阻阻值大小有关”.

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    When we think of leadership, we often think of strength and power. But what are these really, and how do they operate?

    Leadership today is not about forcing others to do things. If this is even possible, it is short-term. If you order someone to do something against their will, they may do it because they feel they must, but the anger they feel will do more harm in the long-term. They will also experience fear.

    Fear causes the thinking brain to shut down, making the person unable to function at his or her best. If they connect you with this emotion of fear, they will become less functional around you, and you will have succeeded in not only shooting yourself in the foot, but possibly making a very good employee or partner unable to perform effectively. Fear has no place in leadership.

    The way we affect people in a lasting way is by our own character, and our understanding and use of emotion. We can order someone to do something, which may be part of the work day, or we can employ them at the emotional level, so they become fully devoted to the projects and provide some of their own motivation (积极性). Today's work place is all about relationships.

    Anyone works harder in a positive environment in which they're recognized and valued as a human being as well as a worker. Everyone produces just a bit more for someone they like Leaders understand the way things work. They know money is not the only most motivating factor in the work life of most people.

    The true strength of leadership is an inner strength that comes from the confidence of Emotional Intelligence—knowing your own emotions, and how to deal with them and those of others. Developing your emotional intelligence is the best thing you can do if you want to develop your relationships with people around you, which is the key to the leadership skills.