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A 2 volt battery, a 15 Omega resistor an...

A 2 volt battery, a `15 Omega` resistor and a potentiometer of `100 cm` length, all are connected in series. If the resistance resistance of potentiometer wire is `5 Omega`, then the potential gradient of the potentiometer wire is

A

`0.005" V"//"cm"`

B

`0.05"V"//"cm"`

C

`0.02" V"//"cm"`

D

`0.2" V"//"cm"`

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TARGET PUBLICATION-CURRENT ELECTRICITY -Competitive Thinking
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  2. A potentiometer wire of length 10 m is connected in series with a bat...

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  3. A 2 volt battery, a 15 Omega resistor and a potentiometer of 100 cm le...

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  4. The resistivity of a potentiometer wire is 40xx10^(-8)Omega-m and its ...

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  6. A wire of length 100 cm is connected to a cell of emf 2 V and negli...

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  9. A set of 'n' equal resistor, of value of 'R' each are connected in ser...

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  11. A Daniel cell is balanced on 125 cm length of a potentiometer wire. No...

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  13. In potentiometer experiment, a cell of emf 1.25 V gives balancing leng...

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  14. In a potentiometer experiment two cells of e.m.f. E and E are used...

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  15. A potentiometer has uniform potential gradient across it. Two cells c...

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  16. A potentiometer wire is 100 cm long hand a constant potential differen...

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  17. A potentiometer wire of Length L and a resistance r are connected in s...

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  18. A conducting wire has length L(1) and diameter d(1). After stretching ...

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  19. Which of the following statements is false ?

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