E
K
I (Clockwise Flow)
I₂
R
S
l = 55 cm
l
0102030405060708090100
I₂
l = 55.0 cm
100 - l = 45.0 cm
G
Circuit Diagram: Metre Bridge with Correct Current Flow
55.0 cm

Advanced Practical Calculations & Precision Analysis

Formula:
$S = R \times \left(\frac{100 - l}{l}\right)$
Resistance Box Setting ($R$):
2.00 $\Omega$
Balanced Length ($l$):
55.0 cm
Remaining Length ($100 - l$):
45.0 cm
Calculated Resistance ($S$):
1.64 $\Omega$
End Error Correction Factor:
± 0.03 $\Omega$
R Resistance Box
S Unknown Wire
E Battery Cell
K Plug Key
G Galvanometer