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The resistance of an ammeter is 13 Ω and itsscale is graduated for a current upto 100 amps.After an additional shunt has been connectedto this ammeter it becomes possible to measurecurrents upto 750 amperes by this meter. Thevalue of shunt-resistance is [2007]
  • a)
    2 Ω
  • b)
    0.2 Ω
  • c)
    2 k Ω
  • d)
    20 Ω
Correct answer is option 'A'. Can you explain this answer?
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The resistance of an ammeter is typically very low, ideally 0 ohms. This is because an ammeter is designed to measure the current flowing through a circuit without affecting the circuit itself. The lower the resistance of the ammeter, the more accurately it can measure the current without causing any significant voltage drop. However, in practical ammeters, there is always some internal resistance, which is typically very small, in the order of milliohms.
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The resistance of an ammeter is 13 Ω and itsscale is graduated for a current upto 100 amps.After an additional shunt has been connectedto this ammeter it becomes possible to measurecurrents upto 750 amperes by this meter. Thevalue of shunt-resistance is [2007]a)2 Ωb)0.2 Ωc)2 k Ωd)20 ΩCorrect answer is option 'A'. Can you explain this answer?
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The resistance of an ammeter is 13 Ω and itsscale is graduated for a current upto 100 amps.After an additional shunt has been connectedto this ammeter it becomes possible to measurecurrents upto 750 amperes by this meter. Thevalue of shunt-resistance is [2007]a)2 Ωb)0.2 Ωc)2 k Ωd)20 ΩCorrect answer is option 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about The resistance of an ammeter is 13 Ω and itsscale is graduated for a current upto 100 amps.After an additional shunt has been connectedto this ammeter it becomes possible to measurecurrents upto 750 amperes by this meter. Thevalue of shunt-resistance is [2007]a)2 Ωb)0.2 Ωc)2 k Ωd)20 ΩCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The resistance of an ammeter is 13 Ω and itsscale is graduated for a current upto 100 amps.After an additional shunt has been connectedto this ammeter it becomes possible to measurecurrents upto 750 amperes by this meter. Thevalue of shunt-resistance is [2007]a)2 Ωb)0.2 Ωc)2 k Ωd)20 ΩCorrect answer is option 'A'. Can you explain this answer?.
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