- Low value of resistance is measured using **Kelvin double bridge (R)**.
- High value of inductance (Q) is best suited for **Hay's bridge (S)**.
- **Maxwell bridge (Q)** is used for measuring **Inductance (L)**.
- **Schering bridge (P)** is designed to measure **Capacitance (C)**.
Hence, the correct matching is:
- A $\rightarrow$ R, B $\rightarrow$ S, C $\rightarrow$ Q, D $\rightarrow$ P