What is the purpose of the galvanometer in a Wheatstone bridge?
Correct Answer: Galvanometer ka purpose Wheatstone bridge mein balance condition ko detect karna hai.
- Step 1: Understand that a Wheatstone bridge is a circuit used to measure unknown resistances.
- Step 2: Know that the galvanometer is a device that can detect small electric currents.
- Step 3: Realize that the Wheatstone bridge has four resistors arranged in a diamond shape.
- Step 4: When the bridge is balanced, there is no current flowing through the galvanometer.
- Step 5: The purpose of the galvanometer is to show whether the bridge is balanced or not by indicating if there is any current flow.
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