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Internal resistance of a micro-ammeter is 500Ω. Shunt resistance required to increase its range from 0−100μA to 0−10 A will be approximately:
  • a)
    0.05Ω
  • b)
    0.005Ω
  • c)
    0.5Ω
  • d)
    5.0Ω
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Internal resistance of a micro-ammeter is500Ω. Shunt resistance ...
Rse = Rm(m−1)
Where,
Rse = Series resistance,
R= Meter resistance,
m = Vnew/Vm
Vnew = Maximum voltage across the meter after extending the range
V= Meter voltage
Given:
An ammeter with R= 500Ω
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Internal resistance of a micro-ammeter is500Ω. Shunt resistance required to increase its range from0−100μAto0−10Awill be approximately:a)0.05Ωb)0.005Ωc)0.5Ωd)5.0ΩCorrect answer is option 'B'. Can you explain this answer?
Question Description
Internal resistance of a micro-ammeter is500Ω. Shunt resistance required to increase its range from0−100μAto0−10Awill be approximately:a)0.05Ωb)0.005Ωc)0.5Ωd)5.0ΩCorrect answer is option 'B'. 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 Internal resistance of a micro-ammeter is500Ω. Shunt resistance required to increase its range from0−100μAto0−10Awill be approximately:a)0.05Ωb)0.005Ωc)0.5Ωd)5.0ΩCorrect answer is option 'B'. 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 Internal resistance of a micro-ammeter is500Ω. Shunt resistance required to increase its range from0−100μAto0−10Awill be approximately:a)0.05Ωb)0.005Ωc)0.5Ωd)5.0ΩCorrect answer is option 'B'. Can you explain this answer?.
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