# Wheatstone bridge ?

1. Homework Statement

Will the balancing condition get modified in Wheatstone bridge if AC source is used instead of a battery ?

2. Homework Equations

3. The Attempt at a Solution

## Answers and Replies

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clem
No, but if you use a galvanometer (as is usual) as a detector, it wouldn't move.
You would need an AC meter, which probably woudn't be as sensitive as a galvanometer.

No, but if you use a galvanometer (as is usual) as a detector, it wouldn't move.
You would need an AC meter, which probably woudn't be as sensitive as a galvanometer.
A hot wire galvanometer would also work-- if you could find them.

In fact, instruments are made that are AC bridges. Select a frequency, amplitude and the spieces of impedence, inductance, ESR and so forth, that you want numbers for, and they display the effective values.