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electric currents

网络电路

electric currents

electric currents

electric currents

电路

外语类 ... 电磁感性 Electromagnetic Induction 电路 Electric Currents 电容与电位 Potential and Capacitance ...

1

Of course , even if the vessels did produce electric currents, this does not imply that ancient people understood how the objects worked .

当然，即使这些器皿确实可以发电，也不意味着古人就能明白其工作的原理。

2

records electric currents associated with contractions of the heart .

连接心脏收缩以记录电流。

6

By causing it " to wobble and shake, " explains NASA 's Hathaway, it induces strong electric currents in the atmosphere and on the ground .

NASA 的哈撤韦解释说，通过使地球 “摇摆和晃动 ”，“太阳轰炸 ”能在大气中和地面上引起强大的电流。

7

The technique generates a magnetic field on a small part of the skull which creates weak electric currents in the brain .

这种手段在一小块头骨上形成一个磁场，既而在大脑中产生微弱的感应电流。

9

The corresponding electric currents are used to deflect an electron beam in a cathode-ray tube.

相应的电流就用来使阴极射线管里的电子束偏转。

11

Steady electric currents flowing along conductors in one direction undergo opposition called electrical resistance , but no reactance .

在一个方向上沿著导体流动的稳定电流所遇到的阻力称为电阻，而没有电抗。

12

When electric currents (electrons ) are passed through positively-charged gasses (protons and neutron nucleuses) inside bulbs .

当电子流通过灯泡中带正电荷的气体（质子和中子核）。

13

attraction for iron ; associated with electric currents as well as magnets ; characterized by fields of force .

吸引铁的力；和电流、磁铁有关；用力场刻画。

14

Electric currents persisted only for a moment .

电的流动只持续短暂时间。

15

The chief effects of electric currents are the magnetic , heating and chemical effects .

电流的主要效应是磁效应，热效应和化学效应。

16

Their vessels contain a diode , a device that allows electric currents to cross it in one direction but not in the opposite direction.

他们的船中含有二极体，这种装置只可让电流朝单一方向通过，反方向则无法通过。

17

18

There are many substances through which electric currents will not pass at all.

有许多物质，电流是根本不能通过的。

19

The earth 's magnetic field is created by electric currents in an ocean of molten iron at its core .

地球的核心是液态的铁，核心中的电流产生了地磁场。

20

An electric field can thus push these charge-carrying particles along it, creating electric currents .

所以电场可推动这些带电粒子，形成电流。

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