Physics Learn: Post office box, principle of balanced Wheatstone bridge. physics practical std 11 & 12 GSEB
The shown circuit of a post office box while using it for measuring the unknown resistance. All the keys except the two 100 ohms in the first row and both 2 ohm
Physics Learn: Post office box, principle of balanced Wheatstone bridge. physics practical std 11 & 12 GSEB
![For the post office box arrangement to determine the value od unknown resistance, the unknown re... - YouTube For the post office box arrangement to determine the value od unknown resistance, the unknown re... - YouTube](https://i.ytimg.com/vi/nwahS3oxrH4/maxresdefault.jpg)
For the post office box arrangement to determine the value od unknown resistance, the unknown re... - YouTube
![Post Office Box-Plug Type (Constantan & Manganin Coil) - Electrical & Electronics - Physics Lab Products - Products Post Office Box-Plug Type (Constantan & Manganin Coil) - Electrical & Electronics - Physics Lab Products - Products](https://www.japson.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/p/o/post_office_box-plug_type_constantan_manganin_coil_.jpg)