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Resistivity of potentiometer wire is {10}^{{-{7}}} ohm metre a

Question

Resistivity of potentiometer wire is $10^{- 7}$ ohm metre and its area of cross-section is $10^{- 6} m^{2}$ . When a current $l = 0.1 A$ flows through the wire, its potential gradient is:

10^{- 2} V / m

10^{- 4} V / m

0.1V/m

10V/m

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Michael Discussed

Resistivity of potentiometer wire is

10^{- 7}

ohm metre and its area of cross-section is

10^{- 6} m^{2}

. When a current

l = 0.1 A

flows through the wire, its potential gradient is:

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Question Text	Resistivity of potentiometer wire is $10^{- 7}$ ohm metre and its area of cross-section is $10^{- 6} m^{2}$ . When a current $l = 0.1 A$ flows through the wire, its potential gradient is:
Answer Type	Text solution:1
Upvotes	150