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A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 × 10–4 ampere gives adeflection of one per division. To convert thisgalvanometer into a voltmeter having a rangeof 25 volts, it should be connected with aresistance of [2004]
  • a)
    2450 Ω in series
  • b)
    2500 Ω in series.
  • c)
    245 Ω in series.
  • d)
    2550 Ω in series.
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 &...
Rg = 50Ω, Ig = 25 × 4 × 10–AΩ = 10–2 A
Range of V = 25 volts V = Ig(Re + Rg)
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A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 × 10–4 ampere gives adeflection of one per division. To convert thisgalvanometer into a voltmeter having a rangeof 25 volts, it should be connected with aresistance of [2004]a)2450 Ω in seriesb)2500 Ω in series.c)245 Ω in series.d)2550 Ω in series.Correct answer is option 'A'. Can you explain this answer?
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A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 × 10–4 ampere gives adeflection of one per division. To convert thisgalvanometer into a voltmeter having a rangeof 25 volts, it should be connected with aresistance of [2004]a)2450 Ω in seriesb)2500 Ω in series.c)245 Ω in series.d)2550 Ω in series.Correct 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 A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 × 10–4 ampere gives adeflection of one per division. To convert thisgalvanometer into a voltmeter having a rangeof 25 volts, it should be connected with aresistance of [2004]a)2450 Ω in seriesb)2500 Ω in series.c)245 Ω in series.d)2550 Ω in series.Correct 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 A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 × 10–4 ampere gives adeflection of one per division. To convert thisgalvanometer into a voltmeter having a rangeof 25 volts, it should be connected with aresistance of [2004]a)2450 Ω in seriesb)2500 Ω in series.c)245 Ω in series.d)2550 Ω in series.Correct answer is option 'A'. Can you explain this answer?.
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