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In a ammeter 0.2% of main current passes...

In a ammeter `0.2%` of main current passes through the galvanometer. If resistance of galvanometer is `G`, the resistance of ammeter will be

A

` (1)/( 499)G`

B

` ( 499)/( 500) G `

C

` (1)/( 500) `

D

` (500)/( 499) G`

Text Solution

Verified by Experts

The correct Answer is:
A
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MOTION-Electrical Instrument -EXERCISE -3
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  6. In a ammeter 0.2% of main current passes through the galvanometer. If ...

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

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  8. The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...

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  9. An ammeter reads upto 1 ampere. Its internal resistance is 0.81 ohm. T...

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  10. In a meter bridge experiment null point is obtained at 20 cm. from one...

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  11. In a potentiometer experiment the balancing with a cell is at length 2...

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  12. In a Wheatstone's bridge, three resistances P,Q and R connected in the...

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  13. Shown in the figure below is a meter- bridge set up will null deflecti...

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  14. The current in the primary circuit of a potentiometer is 0.2 A. The sp...

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  15. On interchanging the resistances, the balance point of a meter bridge ...

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  16. In a potentiometer experiment it is found that no current passes throu...

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