impakt said:What is the role of of a capacitor in a practical circuit? In general, I know about capacitors, but I don't know in what point of a circuit I should use them, and what is their role. Does anyone have a book with practical usage of capacitors, very well explained? Thank you!
a_tek7 said:If it's useful then press help plz
So?impakt said:Hello again,
about capacitors: can anyone explain me what is the purpose of C1, C2 and C3 in the attached figure?
Thank you!
umery2k75 said:
For example in above figure, you have two culprits running on different vehicle after robbing a bank.Above one has got a train and the other one is running off on a bicycle.Both are moving at 13km/hr and two POLICE car wants to stop them.Since the above the guy is running off in train have capacitors connected on them(Capacitor are one which dislikes the rate of change of voltage(dv/dt) so as train is massive and has inertia, it's very difficult a POLICE car to stop a massive train.So after hitting the POLICE car, the car would be boomed and will break into different pieces, the train speed will remain constant at +13V it will not drop, because we have lot of capacitors connected on it, which are helping to maintain 13km/hr or +13V
The bicycle has no mass as compared to a train.Bicycle is very light weight.So a POLICE car can very easily stop the bicycle.When a bicycle will hit the car, the will get a dent on it's body, but bicycle speed will drop to 0V or 0km/hr.Although you can see a small blue capacitor, that's a parasitic capacitor.This capacitance will try to maintain the bicycle speed to +13V, but this one is very small.If you find some capacitance at a point in circuit, but even there's no capacitor attach, that's called as parasitic capacitance.Capacitance of a magical capacitor, which you can't see.
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