Meter Bridge (Unknown Resistance) (X/R = l/(100−l) with standard R in gap, wire 100 cm)
jee-mainjee-advancedneet-ug
X/R = l/(100−l) with standard R in gap, wire 100 cm (balance)
What each symbol means
| Symbol | What it stands for |
|---|---|
| R | Known standard (Ω) |
| X | Unknown resistance (Ω) |
| l | Balancing length from one end (cm) |
When to use this
Uniform wire; Wheatstone class problem; null detector at balance.