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A galvanometer with its coil resistance 25Ω requires a current of 1mA for its full deflection. In order to construct an ammeter to read up to a current of 2A the approximate value of the shunt resistance should be :
  • a)
    1.25 × 10–2Ω
  • b)
    2.5 × 10–3Ω
  • c)
    2.5 × 10–2Ω
  • d)
    1.25 × 10–3Ω
Correct answer is option 'A'. Can you explain this answer?
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The coil resistance of a galvanometer is 25 ohms.
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A galvanometer with its coil resistance 25Ω requires a current of 1mA for its full deflection. In order to construct an ammeter to read up to a current of 2A the approximate value of the shunt resistance should be :a)1.25 × 10–2Ωb)2.5 × 10–3Ωc)2.5 × 10–2Ωd)1.25 × 10–3ΩCorrect answer is option 'A'. Can you explain this answer?
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A galvanometer with its coil resistance 25Ω requires a current of 1mA for its full deflection. In order to construct an ammeter to read up to a current of 2A the approximate value of the shunt resistance should be :a)1.25 × 10–2Ωb)2.5 × 10–3Ωc)2.5 × 10–2Ωd)1.25 × 10–3ΩCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A galvanometer with its coil resistance 25Ω requires a current of 1mA for its full deflection. In order to construct an ammeter to read up to a current of 2A the approximate value of the shunt resistance should be :a)1.25 × 10–2Ωb)2.5 × 10–3Ωc)2.5 × 10–2Ωd)1.25 × 10–3ΩCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A galvanometer with its coil resistance 25Ω requires a current of 1mA for its full deflection. In order to construct an ammeter to read up to a current of 2A the approximate value of the shunt resistance should be :a)1.25 × 10–2Ωb)2.5 × 10–3Ωc)2.5 × 10–2Ωd)1.25 × 10–3ΩCorrect answer is option 'A'. Can you explain this answer?.
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