Hello friends you hv also heard about tesla who was great inventor.i m going to make his device for collecting energy from air.for make this device you will need these things. 4 diodes a capacitor aluminum foil piece of card board some wires
The most common and simplest bridge network to find the resistance is the DC Wheatstone Bridge. This bridge is used where small changes in resistance are to be measured like in sensor applications. This is used to convert a resistance change to a voltage change of a transducer.