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A 1 Omega resistance in series with an a...

A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a reding of `1.5 A`. Then, the error in ammeter reading is

A

`0.03 A`

B

3A

C

`1.3 A`

D

`0.3A`

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The correct Answer is:
A
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  3. A 1 Omega resistance in series with an ammeter is balanced by 25 cm of...

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  4. The range of voltmeter is 10 V and its internal resistance is 50 Omega...

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  10. A galvanometer of resistance 50 Omega is connected to a battery of 8 V...

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  11. Choose the correct statement.

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  12. A metal plate weighting 750g is to be electroplated wiwth 0.05% of it...

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  13. A DC ammeter has resistance 0.1 Omega and its current ranges 0-100 A. ...

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  14. The current I shown in the circuit is

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  15. A metal wire of circular cross-section has a resistance R(1). The wire...

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  16. Consider the combination of resistor, The equivalent resistance b...

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  17. A potentiometer wire of length 100 cm having a resistance of 10 Omega ...

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  18. Three resistances 2 Omega, 3 Omega and 4 Omega are connected in parall...

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  19. Four identical cells of emf epsilon and internal resistance r are to b...

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