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The arms consisting of the resistances R1 and R2 are called _________.
- a)resistance arms
- b)impedance arms
- c)source arms
- d)ratio arms
Correct answer is option 'D'. Can you explain this answer?
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The arms consisting of the resistances R1 and R2 are called _________...
The arms consisting of the two resistances R1 and R2, are known as the resistance arms. Sources do not appear on the arms of the bridge, and they are connected across opposite ends. Wheatstone bridge is purely resistive.
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The arms consisting of the resistances R1 and R2 are called _________...
Resistance Ratio Arms in GATE
Resistance Ratio Arms:
The arms consisting of the resistances R1 and R2 are called the resistance ratio arms. These arms are used in the measurement of unknown resistance or impedance using a Wheatstone bridge.
Wheatstone Bridge:
The Wheatstone bridge is a circuit that is used to measure the unknown resistance or impedance. It consists of four resistances, R1, R2, R3, and R4, and a source of voltage. The unknown resistance is connected to the bridge in place of R3. The Wheatstone bridge is balanced when the ratio of the resistances R1/R2 is equal to the ratio of the resistances R3/R4.
Working of Wheatstone Bridge:
When the Wheatstone bridge is balanced, the current through the galvanometer is zero, and the voltage across the unknown resistance is zero. The bridge is balanced when R1/R2 = R3/R4. The unknown resistance can be calculated using the formula:
R3 = (R1/R2) x R4
Importance of Resistance Ratio Arms:
The resistance ratio arms play an essential role in the measurement of unknown resistance or impedance using a Wheatstone bridge. These arms help in balancing the bridge by adjusting the values of R1 and R2. The resistance ratio arms are also used in the measurement of capacitance and inductance using the bridge.
Conclusion:
In conclusion, the arms consisting of the resistances R1 and R2 are called the resistance ratio arms. These arms are used in the measurement of unknown resistance or impedance using a Wheatstone bridge. The resistance ratio arms play an essential role in balancing the bridge and are also used in the measurement of capacitance and inductance.
Resistance Ratio Arms:
The arms consisting of the resistances R1 and R2 are called the resistance ratio arms. These arms are used in the measurement of unknown resistance or impedance using a Wheatstone bridge.
Wheatstone Bridge:
The Wheatstone bridge is a circuit that is used to measure the unknown resistance or impedance. It consists of four resistances, R1, R2, R3, and R4, and a source of voltage. The unknown resistance is connected to the bridge in place of R3. The Wheatstone bridge is balanced when the ratio of the resistances R1/R2 is equal to the ratio of the resistances R3/R4.
Working of Wheatstone Bridge:
When the Wheatstone bridge is balanced, the current through the galvanometer is zero, and the voltage across the unknown resistance is zero. The bridge is balanced when R1/R2 = R3/R4. The unknown resistance can be calculated using the formula:
R3 = (R1/R2) x R4
Importance of Resistance Ratio Arms:
The resistance ratio arms play an essential role in the measurement of unknown resistance or impedance using a Wheatstone bridge. These arms help in balancing the bridge by adjusting the values of R1 and R2. The resistance ratio arms are also used in the measurement of capacitance and inductance using the bridge.
Conclusion:
In conclusion, the arms consisting of the resistances R1 and R2 are called the resistance ratio arms. These arms are used in the measurement of unknown resistance or impedance using a Wheatstone bridge. The resistance ratio arms play an essential role in balancing the bridge and are also used in the measurement of capacitance and inductance.
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The arms consisting of the resistances R1 and R2 are called _________.a)resistance armsb)impedance armsc)source armsd)ratio armsCorrect answer is option 'D'. Can you explain this answer?
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