Science Buddies: "Ask an Expert"

hello,
plz help

To make make a device that can generate electricity at free of cost
The following steps are

1) take an electric motor or turbine

2) Attach the galvano meter through the wire of the motor

3) attach the hook to the motor

4) and with the help of nail hang it to metal sheet

5) attach the wheel shape permnent magnet to the axle and move it like pendulum

6) and glvano meter show reading

7) through this process we can generate electricity at very low cost

but it is not working plz help so i can do it

Hi Aabhash,

I'm not sure I understand your design. It sounds like you're building some sort of alternator. If I understand correctly you have a permanent magnet swing past the motor, back and forth, and you expect it will induce a current? What kind of electric motor are you using?