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A strain gauge forms one arm of the bridge shown in the figure below and has a  nominal resistance without any load as Rs = 300 . Other bridge resistances are R1 = R2 = R3 = 300. The maximum permissible current through the strain gauge is 20mA. During certain measurement when the bridge is excited by maximum permissible voltage and the strain gauge resistance is increased by 1% over the nominal value, the output voltage V0  in mV is
  • a)
    56.02
  • b)
    40.83
  • c)
    29.85
  • d)
    10.02
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A strain gauge forms one arm of the bridge shown in the figure below a...
Voltage, Vin = (300+300)*20m
                      = 12v
Now, V 0 =  6-((300/603)*12)
                = 0.03v.   I.e., 30mV
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A strain gauge forms one arm of the bridge shown in the figure below and has a nominal resistance without any load asRs= 300 . Other bridge resistances areR1= R2= R3= 300. The maximum permissible current through the strain gauge is 20mA. During certain measurement when the bridge is excited by maximum permissible voltage and the strain gauge resistance is increased by 1% over the nominal value, the output voltageV0 in mV isa)56.02b)40.83c)29.85d)10.02Correct answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A strain gauge forms one arm of the bridge shown in the figure below and has a nominal resistance without any load asRs= 300 . Other bridge resistances areR1= R2= R3= 300. The maximum permissible current through the strain gauge is 20mA. During certain measurement when the bridge is excited by maximum permissible voltage and the strain gauge resistance is increased by 1% over the nominal value, the output voltageV0 in mV isa)56.02b)40.83c)29.85d)10.02Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A strain gauge forms one arm of the bridge shown in the figure below and has a nominal resistance without any load asRs= 300 . Other bridge resistances areR1= R2= R3= 300. The maximum permissible current through the strain gauge is 20mA. During certain measurement when the bridge is excited by maximum permissible voltage and the strain gauge resistance is increased by 1% over the nominal value, the output voltageV0 in mV isa)56.02b)40.83c)29.85d)10.02Correct answer is option 'C'. Can you explain this answer?.
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