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Schering bridge can be used for measurement of
- a)capacitance and dissipation factor
- b)dissipation factor only
- c)inductance with the inherent loss
- d)capacitor but not dissipation factor
Correct answer is option 'A'. Can you explain this answer?
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Schering bridge can be used for measurement ofa)capacitance and dissi...
The Schering bridge use for measuring the capacitance of the capacitor, dissipation factor, properties of an insulator, capacitor bushing, insulating oil, and other insulating materials. It is one of the most commonly used AC bridges. The Schering bridge works on balancing the load on its arm.
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Schering bridge can be used for measurement ofa)capacitance and dissi...
Introduction:
The Schering bridge is a type of AC bridge circuit that is commonly used for the measurement of capacitance and dissipation factor. It is a modified form of the Wheatstone bridge, specifically designed for measuring the characteristics of capacitors.
Working of Schering Bridge:
The Schering bridge comprises four arms, each containing a capacitor and a resistor. The bridge is balanced by adjusting the variable resistor until the null point is achieved. At the null point, the bridge is said to be in a balanced condition, and the unknown capacitance and dissipation factor can be calculated.
Measurement of Capacitance:
By using the Schering bridge, the unknown capacitance can be measured accurately. The bridge is balanced by adjusting the variable resistor until the null point is obtained. At the null point, the ratio of the known capacitance to the unknown capacitance is equal to the ratio of the resistances in the two arms of the bridge. Hence, the unknown capacitance can be calculated by knowing the value of the known capacitance and the resistances.
Measurement of Dissipation Factor:
The dissipation factor of a capacitor represents the amount of energy lost as heat during the charging and discharging cycles. The dissipation factor is an important parameter to determine the quality and efficiency of a capacitor. The Schering bridge can also be used to measure the dissipation factor of a capacitor.
At the null point of the bridge, the ratio of the resistances in the two arms is equal to the ratio of the reactances of the capacitors. By measuring the resistance and reactance values, the dissipation factor can be calculated using the formula:
Dissipation Factor = tan(δ) = R / (2πfC)
where R is the resistance, f is the frequency, and C is the capacitance.
Conclusion:
In conclusion, the Schering bridge is a versatile AC bridge circuit that can be used for the measurement of both capacitance and dissipation factor. It provides accurate and reliable results, making it a valuable tool in various applications such as capacitor testing, quality control, and research and development.
The Schering bridge is a type of AC bridge circuit that is commonly used for the measurement of capacitance and dissipation factor. It is a modified form of the Wheatstone bridge, specifically designed for measuring the characteristics of capacitors.
Working of Schering Bridge:
The Schering bridge comprises four arms, each containing a capacitor and a resistor. The bridge is balanced by adjusting the variable resistor until the null point is achieved. At the null point, the bridge is said to be in a balanced condition, and the unknown capacitance and dissipation factor can be calculated.
Measurement of Capacitance:
By using the Schering bridge, the unknown capacitance can be measured accurately. The bridge is balanced by adjusting the variable resistor until the null point is obtained. At the null point, the ratio of the known capacitance to the unknown capacitance is equal to the ratio of the resistances in the two arms of the bridge. Hence, the unknown capacitance can be calculated by knowing the value of the known capacitance and the resistances.
Measurement of Dissipation Factor:
The dissipation factor of a capacitor represents the amount of energy lost as heat during the charging and discharging cycles. The dissipation factor is an important parameter to determine the quality and efficiency of a capacitor. The Schering bridge can also be used to measure the dissipation factor of a capacitor.
At the null point of the bridge, the ratio of the resistances in the two arms is equal to the ratio of the reactances of the capacitors. By measuring the resistance and reactance values, the dissipation factor can be calculated using the formula:
Dissipation Factor = tan(δ) = R / (2πfC)
where R is the resistance, f is the frequency, and C is the capacitance.
Conclusion:
In conclusion, the Schering bridge is a versatile AC bridge circuit that can be used for the measurement of both capacitance and dissipation factor. It provides accurate and reliable results, making it a valuable tool in various applications such as capacitor testing, quality control, and research and development.
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Schering bridge can be used for measurement ofa)capacitance and dissipation factorb)dissipation factor onlyc)inductance with the inherent lossd)capacitor but not dissipation factorCorrect answer is option 'A'. Can you explain this answer?
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