If the galvanometer shows a deflection in a Wheatstone bridge, what can be inferred?

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Q: If the galvanometer shows a deflection in a Wheatstone bridge, what can be inferred?

Solution: A deflection in the galvanometer indicates that there is a potential difference across it, meaning the bridge is unbalanced.

Steps: 7

Step 1: Understand what a Wheatstone bridge is. It is a circuit used to measure unknown resistances.
Step 2: Know that a galvanometer is a device that detects small electric currents.
Step 3: When the Wheatstone bridge is balanced, the galvanometer shows no deflection (no current).
Step 4: If the galvanometer shows a deflection, it means there is a current flowing through it.
Step 5: A current flowing through the galvanometer indicates that there is a potential difference across it.
Step 6: A potential difference means that the Wheatstone bridge is unbalanced.
Step 7: Therefore, if the galvanometer shows a deflection, we can infer that the bridge is unbalanced.