27. Resistors & DC Circuits

Intro to Current

Electric Current, An Explanation

<p>A lightning bolt hits the ground carrying a current of 3 × 10<sup>4</sup> A. If the strike lasts 50 ms, how much charge enters the ground?</p>

The Electric Battery and Conventional Current - Introduction to Basic Electricity

Anderson Video - DC vs. AC

Anderson Video - Electric Current


The electrons’ speeds increase the entire time the capacitor is connected.



The electrons’ speeds decrease the entire time the capacitor is connected.



Electrons are not the particles that are moving.



There is not enough information to answer.



The electrons keep speeding up, then colliding with other particles, and then repeating.



A wire is connected to the positive and negative plates of a capacitor. Electrons in the wire feel an attraction toward the positive plate of a capacitor, and a repulsion from the negative plate. What is true about the motion of these electrons?



Batteries hold more energy than capacitors.



Batteries hold less energy than capacitors.



Capacitors provide a steady current for longer than batteries.



Batteries cause protons to move and capacitors cause electrons to move.



Batteries cause electrons to move and capacitors cause protons to move.



Batteries provide a steady current for longer than capacitors.



Which of the following is always true about capacitors and batteries?


Anderson Video - Charge in a AA Battery

Anderson Video - Electric Circuits Intro

Intro to current (& Amperes)

Anderson Video - Current in Everyday Devices

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