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The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100 A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A  by this meter. The value of shunt resistance is :
  • a)
    20Ω
  • b)
    0.2Ω 
  • c)
  • d)
    2kΩ
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The resistance of an ammeter is 13Ω and its scale is graduated f...
The potential differences across ammeter and shunt is same. Let  ia is the current flowing through ammeter and i is the total current. So, a current  i - ia  will flow through. shunt resistance.


The correct answer is: 2Ω
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Most Upvoted Answer
The resistance of an ammeter is 13Ω and its scale is graduated f...
The potential differences across ammeter and shunt is same. Let  ia is the current flowing through ammeter and i is the total current. So, a current  i - ia  will flow through. shunt resistance.


The correct answer is: 2Ω
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The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750A by this meter. The value of shunt resistance is :a)20Ωb)0.2Ωc)2Ωd)2kΩCorrect answer is option 'C'. Can you explain this answer?
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The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750A by this meter. The value of shunt resistance is :a)20Ωb)0.2Ωc)2Ωd)2kΩCorrect answer is option 'C'. Can you explain this answer? for Physics 2025 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750A by this meter. The value of shunt resistance is :a)20Ωb)0.2Ωc)2Ωd)2kΩCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Physics 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750A by this meter. The value of shunt resistance is :a)20Ωb)0.2Ωc)2Ωd)2kΩCorrect answer is option 'C'. Can you explain this answer?.
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