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There are 3 voltmeters A,B,C having the ...

There are 3 voltmeters A,B,C having the same range but their resistance are `15,000 Omega`, `10,000Omega `and `5,000 Omega` respectively. The best voltmeter amongst them is the one whose resistance is

A

`5000 Omega`

B

`10,000 Omega`

C

`15,000 Omega`

D

all are equally good

Text Solution

Verified by Experts

The correct Answer is:
C
An ideal voltmeter should have a high resistance.
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MARVEL PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-MCQ
  1. The deflection in a moving coil galvanometer is reduced to half, when ...

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  2. A current of I mA is flowing through a resistance of 1000 Omega. To me...

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  3. There are 3 voltmeters A,B,C having the same range but their resistanc...

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  4. A milliammeter of range 0 to 25 mA and a range of 0 to 25 V. The resis...

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  5. In an ammeter, 4% of the total current is passing through the galvanom...

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  6. The range of an ammeter of resistance G can be increased from I to nI ...

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  7. A galvanometer having a resistance of 100 Omega has 25 divisions. A cu...

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  8. The deflection in a MCG is reduced from 40 divisions to 10 divisions, ...

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  9. Which one of the following is likely to have the largest resistance?

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  10. A galvanometer of resistance 500 Omega gives a full scale deflection, ...

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  11. If 10% of the main current is to be passsed through a maving coil galv...

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  12. The deflection in a galvanometer decreases to 1/5th of the original de...

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  13. The enstivity of a galvanometer is 60"div"//Ampere. When a shunt is us...

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  14. If a galvanometer is shunted by (1/n)th of the value of its resistance...

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  15. Of the two identical galvanometers one is to be converted into an amme...

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  16. A galvanometer of 25 Omega resistance can read a maximum current of 6 ...

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  17. A certain current on passing through a galvanometer produces a deflect...

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  18. An ammeter is obtained by shunting a 30 Omega galvanometer with a 30 O...

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  19. If an ammeter is to be used in place of a voltmeter, then we must conn...

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  20. In a ammeter 0.2% of main current passes through the galvanometer. If ...

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