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Wheatstone Bridge and Strain Gage Diagram Quiz

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Wheatstone Bridge and Strain Gage Diagram Quiz

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Questions and Answers

What is a Wheatstone bridge commonly used for?

Measurement of magnetic field strength

Measurement of static or dynamic electrical resistance (correct)

Measurement of electrical capacitance

Measurement of temperature changes

In a strain gage diagram, what does the Wheatstone bridge circuit measure?

Electrical resistance changes (correct)

Temperature changes

Voltage fluctuations

Pressure changes

How is the Wheatstone bridge connected in a strain gage circuit?

In series with the power source

In parallel with the power source

In a closed loop configuration (correct)

At the output stage of the circuit

What type of resistance does a Wheatstone bridge measure?

Static and dynamic electrical resistance (A) Signup and view all the answers

Why is a divided bridge circuit like a Wheatstone bridge useful for strain measurement?

By directly converting mechanical deformation into electrical signals (D) Signup and view all the answers

How many strain gage elements are typically used in strain gage transducers?

Four (C) Signup and view all the answers

In strain gage transducers, what type of circuit are the strain gage elements connected to?

Wheatstone bridge circuit (C) Signup and view all the answers

What is the purpose of using a Wheatstone bridge circuit in strain gage transducers?

To measure small changes in resistance accurately (B) Signup and view all the answers

How does the number of strain gage elements affect the sensitivity of a pressure transducer?

More elements increase sensitivity (A) Signup and view all the answers

Which of the following is NOT a benefit of using a Wheatstone bridge circuit in strain gage transducers?

Enhanced signal strength (D) Signup and view all the answers

What type of sensor is the pressure transducer in the provided text?

Strain gage sensor (A) Signup and view all the answers

In which configuration is the strain gage used within the pressure transducer?

Wheatstone bridge configuration (C) Signup and view all the answers

What is the main purpose of the Wheatstone bridge in the pressure transducer circuit?

To minimize the effect of temperature variations on the measurement (C) Signup and view all the answers

Why is a resistive Wheatstone bridge preferred for pressure transducers?

It provides better accuracy than other bridge configurations. (A) Signup and view all the answers

What role does the calibration factor circuit play in the operation of the pressure transducer?

It adjusts the strain gage resistance for different pressures. (A) Signup and view all the answers