Question:
In which of the following bridge(s) is the balancing condition frequency-independent?
In which of the following bridge(s) is the balancing condition frequency-independent?
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The Maxwell, Schering, and Wheatstone bridges are frequency-independent in their balancing conditions, making them useful for measuring resistances and impedances at various frequencies.
Updated On: Nov 25, 2025
- Maxwell bridge
- Wien bridge
- Schering bridge
- Wheatstone bridge
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The Correct Option is A, C, D
Solution and Explanation
Step 1: Understanding the balancing condition.
The balancing condition of a bridge determines how the ratio of resistances or impedances in the bridge affects its frequency dependence. The Maxwell, Schering, and Wheatstone bridges have frequency-independent balancing conditions. Step 2: Analyzing the options.
- (A) Correct, Maxwell bridge is used for the measurement of inductance, and the balancing condition is frequency-independent.
- (B) Incorrect, Wien bridge is used for frequency measurements and the balancing condition is frequency-dependent.
- (C) Correct, Schering bridge is used for measuring capacitance and is frequency-independent in its balancing condition.
- (D) Correct, Wheatstone bridge is a general-purpose bridge for resistance measurement and its balancing condition is frequency-independent. Step 3: Conclusion.
Thus, the correct answers are (A), (C), and (D).
The balancing condition of a bridge determines how the ratio of resistances or impedances in the bridge affects its frequency dependence. The Maxwell, Schering, and Wheatstone bridges have frequency-independent balancing conditions. Step 2: Analyzing the options.
- (A) Correct, Maxwell bridge is used for the measurement of inductance, and the balancing condition is frequency-independent.
- (B) Incorrect, Wien bridge is used for frequency measurements and the balancing condition is frequency-dependent.
- (C) Correct, Schering bridge is used for measuring capacitance and is frequency-independent in its balancing condition.
- (D) Correct, Wheatstone bridge is a general-purpose bridge for resistance measurement and its balancing condition is frequency-independent. Step 3: Conclusion.
Thus, the correct answers are (A), (C), and (D).
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