If the galvanometer in a Wheatstone bridge has a high resistance, what is the ef
Practice Questions
Q1
If the galvanometer in a Wheatstone bridge has a high resistance, what is the effect on the sensitivity of the bridge?
Increases sensitivity
Decreases sensitivity
No effect
Depends on the resistances
Questions & Step-by-Step Solutions
If the galvanometer in a Wheatstone bridge has a high resistance, what is the effect on the sensitivity of the bridge?
Step 1: Understand what a Wheatstone bridge is. It is a circuit used to measure unknown resistances by balancing two legs of a bridge circuit.
Step 2: Know what a galvanometer is. It is a device that detects and measures small electric currents.
Step 3: Recognize that the resistance of the galvanometer affects how easily it can detect small changes in current.
Step 4: Realize that a high resistance in the galvanometer means it will draw less current from the circuit.
Step 5: Understand that with less current drawn, the galvanometer can detect smaller differences in current more easily.
Step 6: Conclude that a high resistance in the galvanometer increases the sensitivity of the Wheatstone bridge, allowing it to detect smaller changes in resistance.
