I would like to know what is a wheatstone bridge? I read that it is an arrangement of resistors but i am not understanding how it works and the whole concept.
Any help would be appreciated.
Thank You.
i think it should be high melting point ( Tungsten has a MP of 3380 C) but again , it has a very low resistivity which means it has a low resistance. So according to Joule's law of heating , a very less amount of heat would be produced . What are your views on this?
Homework Statement
Why is a tungsten filament used in incandescent bulbs?
I earlier thought that it was due to the high resistivity of tungsten , but i was wrong , the resistivity of tungsten is low at 5.2 * 10^-8 Is it due to its high melting point?? I can't figure out as...
The left hand rule is a very simple rule to apply -
1) Stretch out the thumb , first finger and the middle finger (!) such that they are mutually perpendicular.
2) If the middle finger is pointing towards the direction of flow of current(I) , then the first finger shows you the direction of...