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# Science Project on “Storing Electrical Energy”, Project Experiment Topics on Energy in Different Forms for Class 8, 9, 10 and 12 Students.

Storing Electrical Energy

Materials Required:

1. 470 micro farad, 350-volt capacitor
2. Two-volt T1 size, light-emitting diode (LED)
3. Two “D” cell batteries
4. Two insulated jumper leads, with alligator clips on both ends
5. Modelling clay

Components that perform various tasks in an electronic circuit are known as Capacitors, in electronics.

They also store electricity temporarily. Capacitors have to be charged up with electricity, unlike the case of batteries. With the help of your modelling clay, prepare the base for two “D” cell batteries.

Make sure that the positives and the negatives of the batteries are connected. That is to say, make sure that the batteries are in ‘series’ with each other.

In such a position, the entire voltage of the batteries amounts to 3.0 volts.

Now use the end of a jumper lead and connect it to one of the leads, coming out from the 470-microfarad capacitor.

Take another end of the other jumper lead and attach it to the other lead of the capacitor.

Be certain that the positive and negative markings of the batteries and the capacitor are in order.

Now carefully connect the unconnected end of the jumper lead, which is connected to the positive terminal of the capacitor and attach it to the positive terminal of the battery.

Repeat the same process for the unconnected end of the other jumper lead and touch it to the negative terminal of the battery for about 15 minutes, so as to get the capacitor properly charged.

Now attach the leads of the capacitor to the leads of your LED. To get the experiment right, check the leads of the LED.

They do not have any positive or negative markings but the leads have separate charge. The flatter lead is the negative terminal.

You must make the connection from the capacitor accordingly.

Once this is done, the LED will glow up for around a second and as it uses up the energy stored in the capacitor, it will start glowing dim.

CIRCUITS

A circuit is the path that electric current takes as it flows.

When you light a bulb with the help of a battery, you are using direct current to do so, and the current flows as shown in the diagram.

If you light a table lamp from a socket in the wall, you are using alternating current to do so. In either of the cases, if you put a switch in the wire, then it serves the purpose of breaking or completing the circuit.