Hay’s Bridge Trainer

To measurement of self induction of a coil using Hay bridge.

The kit contains :

1. A bridge with provision for connections of capacitors and an unknown inductor.
2. In built AC supply [ 1 KHz and 2 Vpp ] on board.
3. Five nos. resistances [ 100 ohm to 1 Mohm ] in step. 
4. An AC null detector with Imbalance Amplifier.
5. Two nos. variable resistances.
6. Six nos. unknown inductors .