True DC
Okay kiddo, so you know how we use batteries to power things like toys and flashlights? Well, batteries give us something called direct current or “DC” for short.
Now, imagine a little toy robot that moves forward and backward. If we use true DC to power the robot, it will move forward when we push a button and then stop when we let go. When we push another button, it will move backward.
But some things, like light bulbs, need something called alternating current or “AC” for short. That means that the electricity switches back and forth really fast, like a little lightning bolt. If we use true DC to power a light bulb, it won’t work at all!
So, when we talk about true DC we just mean that the electricity is flowing in one direction, like a river. It can be really useful for things that need steady power, like our little toy robot. But for other things, like light bulbs, we need something else. Does that make sense, kiddo?
Now, imagine a little toy robot that moves forward and backward. If we use true DC to power the robot, it will move forward when we push a button and then stop when we let go. When we push another button, it will move backward.
But some things, like light bulbs, need something called alternating current or “AC” for short. That means that the electricity switches back and forth really fast, like a little lightning bolt. If we use true DC to power a light bulb, it won’t work at all!
So, when we talk about true DC we just mean that the electricity is flowing in one direction, like a river. It can be really useful for things that need steady power, like our little toy robot. But for other things, like light bulbs, we need something else. Does that make sense, kiddo?