Question

In an Anderson bridge, the unknown inductance is measured in terms of _______.

• A. known inductance and resistance
• B. known capacitance and resistance
• C. known resistance
• D. known inductance

Hint:

Anderson bridge uses only known capacitance and resistance to measure unknown inductance, offering higher accuracy.

Answer 1

The Correct Option is B

Step 1: Anderson Bridge Principle
The Anderson bridge is a modification of the Maxwell bridge. It is specifically used to measure the self-inductance of a coil with high accuracy.
Step 2: What does it use?
Unlike Maxwell’s bridge that uses known inductance, Anderson bridge uses:
- Known standard capacitor
- Known resistances
This makes it suitable and precise, especially for low Q-factor coils.
Step 3: Why not inductance?
It does not require a known inductance, which is often difficult to realize accurately in practice.
Hence, the correct answer is Option (2).