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When 0.005 A current flows through a mov...

When 0.005 A current flows through a moving coil galvanometer, it gives full scale deflection. It is converted into a voltmeter to read 5 V using an external resistance of 975 2. The resistance of the galvanometer, in olims, is

A

5

B

10

C

15

D

25

Text Solution

Verified by Experts

The correct Answer is:
D
Given : V=5V,`I_(g)=0.005A,R=975Omega`
`R=(V)/(I_(g))-G=(V)/(I_(g))-R:.G=(5)/(0.005)-975=25Omega`
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MTG GUIDE-MAGNETIC EFFECTS OF CURRENT AND MAGNETISM-NEET CAFE (TOPICWISE PRACTICE QUESTIONS)(MOVING COIL GALVANOMETER)
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  2. A galvanometer has 30 divisions and a sensitivity 16 LA/div. It can b...

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  3. When 0.005 A current flows through a moving coil galvanometer, it giv...

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  4. The deflection in a moving coil galvanometer falls fioli 50 divisions...

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  5. When a galvanometer is shunted by 5 Omega resistance, the deflection ...

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  6. A moving coil galvanometer has following characteristics. Number of t...

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  7. A galvanometer has a resistance of 25 Omega and a maximum of 0.01 A c...

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  8. If a galvanometer current is 10 ma, resistance of the galvanometer is...

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  9. With a resistance R connected in series with a galvanometer of resist...

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  10. In a galvanometer 5% of the total current in the circuit passes throu...

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  11. A milliammeter of range 10 mA and resistance 9 Omega is joined in a ci...

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  12. A galvanometer of resistance 100Omega gives full-scale deflection wit...

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  13. The range of voltmeter of resistance 300 Omega is 5 V. The resistance...

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  14. A galvanometer of resistance 20 W gives a full scale deflection when ...

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  15. A galvanometer of resistance 100 Omega is converted to a voltmeter of...

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  16. Choose the correct statement.

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  17. A galvanometer of resistance G can measure 1 A curent. If a shunt Sis...

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  18. If the nuinber of tu current sensitivity Cand voltage sensitivity Vis...

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