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What is the value of shunt resistance of an ammeter, if the range is extended from 1mA to 10mA and metre has a resistance of 27Ω ?
  • a)
    0.5Ω
  • b)
    0.25Ω 
  • c)
  • d)
    0.05Ω
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
What is the value of shunt resistance of an ammeter, if the range is e...
We know that,

Where m = I/Im
'm' is called multiplying power
Given that,
Rsℎ= Shunt resistance
I= Required full-scale range =10mA
Im= Full scale deflection of current =1mA
And meter resistance Rm=27Ω
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What is the value of shunt resistance of an ammeter, if the range is extended from1mA to10mA and metre has a resistance of27Ω?a)0.5Ωb)0.25Ωc)3Ωd)0.05ΩCorrect answer is option 'C'. Can you explain this answer?
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What is the value of shunt resistance of an ammeter, if the range is extended from1mA to10mA and metre has a resistance of27Ω?a)0.5Ωb)0.25Ωc)3Ωd)0.05ΩCorrect answer is option 'C'. Can you explain this answer? for RRB NTPC/ASM/CA/TA 2024 is part of RRB NTPC/ASM/CA/TA preparation. The Question and answers have been prepared according to the RRB NTPC/ASM/CA/TA exam syllabus. Information about What is the value of shunt resistance of an ammeter, if the range is extended from1mA to10mA and metre has a resistance of27Ω?a)0.5Ωb)0.25Ωc)3Ωd)0.05ΩCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for RRB NTPC/ASM/CA/TA 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the value of shunt resistance of an ammeter, if the range is extended from1mA to10mA and metre has a resistance of27Ω?a)0.5Ωb)0.25Ωc)3Ωd)0.05ΩCorrect answer is option 'C'. Can you explain this answer?.
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