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The seals of a galvanometer of resistance 100Ω contains 25 division. It gives a deflection of one division of passing a current of 4 × 10–4A. The resistance in ohm to be added to it, so, that it may become a voltmeter of range 2.5 V is :
- a)150
- b)110
- c)220
- d)170
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
The seals of a galvanometer of resistance 100Ω contains 25 divis...
The deflection of one division of galvanometer is given by the current = 4 × 10–4 A
or the current sensitivity of galvanometer is
= 4 × 10–4 A/div
ig = full scale deflection
= current sensitivity × total number of turns
= 4 × 10–4 × 25 = 10–2 A
Resistance of galvanometer = 100Ω
The value of resistance required,
The correct answer is: 150
or the current sensitivity of galvanometer is
= 4 × 10–4 A/div
ig = full scale deflection
= current sensitivity × total number of turns
= 4 × 10–4 × 25 = 10–2 A
Resistance of galvanometer = 100Ω
The value of resistance required,
The correct answer is: 150
Most Upvoted Answer
The seals of a galvanometer of resistance 100Ω contains 25 divis...
The deflection of one division of galvanometer is given by the current = 4 × 10–4 A
or the current sensitivity of galvanometer is
= 4 × 10–4 A/div
ig = full scale deflection
= current sensitivity × total number of turns
= 4 × 10–4 × 25 = 10–2 A
Resistance of galvanometer = 100Ω
The value of resistance required,
The correct answer is: 150
or the current sensitivity of galvanometer is
= 4 × 10–4 A/div
ig = full scale deflection
= current sensitivity × total number of turns
= 4 × 10–4 × 25 = 10–2 A
Resistance of galvanometer = 100Ω
The value of resistance required,
The correct answer is: 150
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The seals of a galvanometer of resistance 100Ω contains 25 division. It gives a deflection of one division of passing a current of 4 × 10–4A. The resistance in ohm to be added to it, so, that it may become a voltmeter of range 2.5Vis :a)150b)110c)220d)170Correct answer is option 'A'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about The seals of a galvanometer of resistance 100Ω contains 25 division. It gives a deflection of one division of passing a current of 4 × 10–4A. The resistance in ohm to be added to it, so, that it may become a voltmeter of range 2.5Vis :a)150b)110c)220d)170Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The seals of a galvanometer of resistance 100Ω contains 25 division. It gives a deflection of one division of passing a current of 4 × 10–4A. The resistance in ohm to be added to it, so, that it may become a voltmeter of range 2.5Vis :a)150b)110c)220d)170Correct answer is option 'A'. Can you explain this answer?.
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