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A galvanometer coil has a resistance of 15Ω and the metre shows full scale deflection for a current of 4mA. To convert the meter into a voltmeter of range 0 to 18V, the required resistance is
  • a)
    5885Ω in series
  • b)
    4485Ω in series
  • c)
    5885Ω in parallel
  • d)
    4485Ω in parallel
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A galvanometer coil has a resistance of 15Ω and the metre shows ...
The galvanometer can be transformed into a voltmeter by applying a high resistance in series. If the series resistance is R, then total resistance in circuit  = (15 + R)Ω
Now 

= 4.5 × 10
∴ R  = 4500−15
= 4485Ω
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A galvanometer coil has a resistance of 15Ω and the metre shows full scale deflection for a current of 4mA. To convert the meter into a voltmeter of range 0 to 18V, the required resistance isa)5885Ω in seriesb)4485Ω in seriesc)5885Ω in paralleld)4485Ω in parallelCorrect answer is option 'B'. Can you explain this answer?
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A galvanometer coil has a resistance of 15Ω and the metre shows full scale deflection for a current of 4mA. To convert the meter into a voltmeter of range 0 to 18V, the required resistance isa)5885Ω in seriesb)4485Ω in seriesc)5885Ω in paralleld)4485Ω in parallelCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A galvanometer coil has a resistance of 15Ω and the metre shows full scale deflection for a current of 4mA. To convert the meter into a voltmeter of range 0 to 18V, the required resistance isa)5885Ω in seriesb)4485Ω in seriesc)5885Ω in paralleld)4485Ω in parallelCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A galvanometer coil has a resistance of 15Ω and the metre shows full scale deflection for a current of 4mA. To convert the meter into a voltmeter of range 0 to 18V, the required resistance isa)5885Ω in seriesb)4485Ω in seriesc)5885Ω in paralleld)4485Ω in parallelCorrect answer is option 'B'. Can you explain this answer?.
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