For making electricity
two things are required.
one is magnet,
another is motion.
If we have these two things,
the nature had made the rule.
If we follow their method made by nature
then we can make the electricity.
Actually magnet directly is not used.
When we use the magnet,
then one field is created.
That field is used.
In a simple way I am telling,
magnet and motions are required,
for making the electricity.
Now we will tell,
how to make the electricity,
using magnet and motion
I have told 2 things are required.
One is magnet, one is motion.
Now you are seeing my hand.
in three fingers, 3 arrow I am showing
This arrow I have put here,
to explain in simple way,
what is the method of making electricity.
Now, I will bend my hand like this.
In mathmetics, it is called,
all are perpendicular to each other.
This rule  was told by one famous scientist Fleming.
This is called the right-hand rule of Fleming.
That rule, I will explain.
Now suppose we have two things,
one is magnetic field,
which is flowing in this direction,
and motion in this direction,
Then electricity will flow in this direction.
This is simple law of nature.
I will repeat again.
If magnetic field in this direction,
motion in this direction,
Then electricity can be generated in this direction.
I will explain in a different way.
I have this,
You see, there is a sticker here arrow mark.
This is magnetic field.
Now, this magnetic field in same direction,
I told earlier, green color.
And this is the motion.
If I move this in upward direction,
in this direction,
Then electricity will generate here.
That is what arrow is shown here.
So if field is like this,
and motion is like this,
then electricity will generate like this.
Simple.
So 2 things are required,
one is magnetic field,
one is motion.
Electricity can be generated in this direction.
This is the right hand rule of Fleming.
I have told the rule,
It does not mean that,
you can take some magnet & a wire,
and start moving wire,
and you can generate the electricity in the house
To generate so many other things are required.
like how much magnitude of magnet should be there,
how fast wire moves,
How to keep wire moving always,
Then only it can be generated.
That is the principle of generation.
Today that much only
you
