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The net resistance of an ammeter should ...

The net resistance of an ammeter should be small to ensure that

A

It does not get overheated

B

it does not draw excessive current

C

it can measure large potential differences

D

it does not appreciably change the potential difference to be measured.

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The correct Answer is:
B
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CP SINGH-CURRENT ELECTRICITY-Exercise
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  2. A galvanometer with 50 divisions on the scale has a resistance of 25 O...

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  3. The net resistance of an ammeter should be small to ensure that

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  4. The net resistance of a volmeter should be large to ensure that

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  5. Mark out the correct options (i) An ammeter should have small resist...

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  6. A microammeter has as resistance of 100 Omega and full scale range of ...

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

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  8. In the previous question, if A and C are used as terminals, with B iso...

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  9. A galvanometer of resistance G is shunted by a resistance S ohm. To...

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  10. A voltmeter having a resistance of 998 ohms is connected to a cell of ...

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  11. A voltmeter and an ammeter are connected in series to an ideal cell of...

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  12. A, B and C are voltmeters of resistances R, 1.5R and 3R respectively. ...

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  13. An ammeter and a voltmeter are joined in sereis to a cell. Their readi...

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  14. Three voltmeters all having different resistance, are joined as shown....

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  15. Three ammeters A,B, and C of resistances RA,Rb and RC respectively are...

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  16. A voltmeter of resistance 200 Omega is used to measure p.d across resi...

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  17. An ammeter and a voltmeter are connected in series to a battery of emf...

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  18. The voltmeter reads 40 V across 60 Omega resistance. The resistance of...

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  19. A p.d of 220 V is maintained across a 12000 Omega rheostat as shown. T...

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  20. An elctrical circuit is shown in Fig. Calculate the potential differen...

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