The electric field caused by a point charge is not uniform.

点电荷引起的电场是不均匀的。

The electric field decreases as you get farther from the point charge.

随着距点电荷越来越远，电场力逐渐减弱。

We’re left with an equation that describes the electric potential generated by any point charge.

我们只剩下一个描述任意点电荷产生的电势的方程式。

We're left with an equation that describes the electric potential generated by any point charge.

我们有一个描述延迟的方程 任何点电荷产生的电能。

So, we’ve found the potential energy decrease of a single point charge in a uniform electric field.

因此，我们发现了均匀电场中单点电荷的势能降低。

For a point charge, the equipotential lines look like circles of increasing size around the charged particle.

在点电荷上，线条看起来相等 电位是围绕带电粒子生长的圆圈。

That’s because you’ve got two point charges with their own electric fields.

那是因为你有两个点电荷和它们自己的电场。

The farther away from the point charge, the lower the voltage.

离点电荷的距离越大， 紧张感降低。

Here, you’ll see that each equipotential line is not a constant distance from a point charge.

在这里， 您会看到每条等势线与点电荷的距离不是恒定的。

The square of the distance from the center of the point charge to the electric  field cancels out.

点电荷中心到电场的距离平方相抵消。

And we can map equipotential lines for point charges in the same way we did for the capacitor.

我们可以准确地画出等延迟的线 对于点电荷，就像我们对电容器所做的那样。

That's because you've got two point charges with their own electric fields.

这是因为你有两个点收费 特殊电场。

Here, you'll see that each equipotential line is not a constant distance from a point charge.

在这里你会看到，每条线路都有相同的延迟 不是与点电荷的固定距离。

So far, we’ve learned how to calculate electric potential for capacitors – but can we apply the same ideas to point charges?

我们已经学会了如何计算电容器的电势——但我们可以将相同的想法应用于点电荷吗？

Now we've got an equation to calculate the electric field generated by any point charge.

现在我们有一个方程来计算电场 任何点电荷的结果。

Let's consider a positive point charge which we'll call capital Q.

假设有一个正点电荷，我们记 它有一个大写Q。

And you only need to know the value for big Q, the point charge.

你只需要知道大Q值， 不收取积分。

Well, we know the equation for the electric field generated by a point charge.

我们知道电场方程 由点电荷产生。

So, we've found the potential energy decrease of a single point charge in a uniform electric field.

所以我们发现电荷的势能降低了 均匀电场中的一个点。

So far, we've learned how to calculate electric potential for capacitors – but can we apply the same ideas to point charges?

我们学会了计算电容器的电势，但是 我们可以将此应用于积分收费吗？