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In a Wheatstone bridge, if the galvanometer shows a current, which of the follow
In a Wheatstone bridge, if the galvanometer shows a current, which of the following statements is true?
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Practice Questions
1 question
Q1
In a Wheatstone bridge, if the galvanometer shows a current, which of the following statements is true?
The bridge is balanced.
The bridge is unbalanced.
The resistances are equal.
The potential difference is zero.
Show Solution
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If the galvanometer shows a current, it indicates that the bridge is unbalanced.
Questions & Step-by-step Solutions
1 item
Q
Q: In a Wheatstone bridge, if the galvanometer shows a current, which of the following statements is true?
Solution:
If the galvanometer shows a current, it indicates that the bridge is unbalanced.
Steps: 5
Show Steps
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 that a galvanometer is an instrument used to detect and measure small currents in the circuit.
Step 3: Recognize that in a balanced Wheatstone bridge, there is no current flowing through the galvanometer.
Step 4: If the galvanometer shows a current, it means that the two sides of the bridge are not equal in resistance.
Step 5: Conclude that the presence of current in the galvanometer indicates that the Wheatstone bridge is unbalanced.
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