Why wire is double folded in resistance box ?
Answers
Answered by
11
This is an interesting question.
The wire in resistance box is double folded and then coiled to invalidate inductance effect. The flow of current is clockwise in half wire and anticlockwise in another half wire. Due to this, magnetic induction created in the first half will cancel another half.
Hope this will prove helpful for you.
The wire in resistance box is double folded and then coiled to invalidate inductance effect. The flow of current is clockwise in half wire and anticlockwise in another half wire. Due to this, magnetic induction created in the first half will cancel another half.
Hope this will prove helpful for you.
Answered by
10
The wire is double folded and coiled inside a
resistance box to make the effect of the inductance nil. Because of the double
fold and coiling, half of the current flows in the clockwise direction whereas
the other half flows in the counterclockwise direction. Due to the current flow
in both directions, magnetic induction caused by one half of the coil gets
nullified by the magnetic induction caused by the other part of the coil.
Similar questions