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Which method requires a standard capacitor in terms of which the selfinductance is expressed?
- a)Andreson Bridge
- b)Hays Bridge
- c)Heaviside-Campbell Bridge
- d)Owens Bridge
Correct answer is option 'A'. Can you explain this answer?
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Which method requires a standard capacitor in terms of which the self&...
In an Anderson bridge, the unknown inductance is measured in terms of known capacitance and resistance.
The circuit diagram of Anderson Bridge is shown in the figure.
L1 = self-inductance to be measured
R1 = resistance of the self-inductor
r1 = resistance connected in series with self-inductor
r, R2, R3, R4 = known non-inductive resistances
C = fixed standard capacitor
Under the Balance condition,
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Which method requires a standard capacitor in terms of which the self&...
Introduction
The method that requires a standard capacitor for expressing self-inductance is the Andreson Bridge. This bridge is utilized primarily in the measurement of inductance.
How the Andreson Bridge Works
- The Andreson Bridge is a type of AC bridge circuit.
- It is specifically designed to measure unknown inductance values by balancing the bridge.
- The bridge incorporates a standard capacitor, which is essential for creating a reference point against which the unknown inductance is compared.
Key Features of the Andreson Bridge
- Standard Capacitor: Acts as a known reference, enabling precise measurements of inductance.
- Balanced Condition: The bridge achieves balance when the ratio of resistances and reactances in the circuit satisfies specific equations, leading to accurate calculations.
Comparison with Other Bridges
- Hays Bridge: Primarily used for measuring capacitance, not requiring a standard capacitor for inductance.
- Heaviside-Campbell Bridge: Similar to the Hays Bridge, it focuses on capacitance and does not use a standard capacitor for inductance measurements.
- Owens Bridge: This bridge can measure both capacitance and inductance but does not rely on a standard capacitor in the same way as the Andreson Bridge.
Conclusion
In summary, the Andreson Bridge is unique in its requirement for a standard capacitor, making it a vital tool for accurately determining self-inductance in electrical engineering applications. This feature distinguishes it from other bridge methods, which are tailored for different measurement purposes.
The method that requires a standard capacitor for expressing self-inductance is the Andreson Bridge. This bridge is utilized primarily in the measurement of inductance.
How the Andreson Bridge Works
- The Andreson Bridge is a type of AC bridge circuit.
- It is specifically designed to measure unknown inductance values by balancing the bridge.
- The bridge incorporates a standard capacitor, which is essential for creating a reference point against which the unknown inductance is compared.
Key Features of the Andreson Bridge
- Standard Capacitor: Acts as a known reference, enabling precise measurements of inductance.
- Balanced Condition: The bridge achieves balance when the ratio of resistances and reactances in the circuit satisfies specific equations, leading to accurate calculations.
Comparison with Other Bridges
- Hays Bridge: Primarily used for measuring capacitance, not requiring a standard capacitor for inductance.
- Heaviside-Campbell Bridge: Similar to the Hays Bridge, it focuses on capacitance and does not use a standard capacitor for inductance measurements.
- Owens Bridge: This bridge can measure both capacitance and inductance but does not rely on a standard capacitor in the same way as the Andreson Bridge.
Conclusion
In summary, the Andreson Bridge is unique in its requirement for a standard capacitor, making it a vital tool for accurately determining self-inductance in electrical engineering applications. This feature distinguishes it from other bridge methods, which are tailored for different measurement purposes.
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Which method requires a standard capacitor in terms of which the selfinductance is expressed?a)Andreson Bridgeb)Hays Bridgec)Heaviside-Campbell Bridged)Owens BridgeCorrect answer is option 'A'. Can you explain this answer?
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