How to transfer electricity wirelessly

Steps of Construction

The simple wireless electricity project consist of two parts that is Receiver and Transmitter

Making of Receiver

• Make a coil of 15 turns and connect LED to its ends.
  
  

Making of Transmitter

Take a  bottle and make a coil of 15 turns on it, leave 3 inch wire to make a loop for central terminal and whirl the wire again 15 times.After completing the coil, three terminals will be obtained.Now take 2N2222 transistor, connect its base terminal to resistor and connect first end of coil and collector terminal to the last end of coil.Connect emitter terminal of the transistor to negative terminal of AA battery.The central terminal of coil will be connected with positive terminal of AA battery.The transmitter is now ready. Place the receiver coil 1 inch above transmitter. You will observe glowing LED.

How this works

The wireless electricity transmission is achieved by oscillating magnetic field

At first battery provide direct current(DC) to circuit.The Direct Current is converted into high frequency Alternating Current (AC) with the help of transmitter circuit.Thisalternating current energizes the transmitter coil which generates magnetic field.Whensecondary coil (receiver) is placed near to the primary coil, the changing magnetic field induces an alternating current in it.