A cell of emf E volts with no internal resistance is connected to a wire of uneven cross-sectional area. The wire has three sections of equal length. The radius of the middle section is a and the other are 2 a. The ratio of the potential difference across the middle section to any other section is

A cell of emf E volts with no internal resistance is connected to a wi

1.	A cell of emf E volts with no internal resistance is connected to a wire of uneven cross-sectional area. The wire has three sections of equal length. The radius of the middle section is a and the other are 2 a. The ratio of the potential difference across the middle section to any other section is
A.	2 :1
B.	4 : 1
C.	A is true but R is false.
D.	1 : 4
Answer» C. A is true but R is false.

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A cell of emf E volts with no internal resistance is connected to a wire of uneven cross-sectional area. The wire has three sections of equal length. The radius of the middle section is a and the other are 2 a. The ratio of the potential difference across the middle section to any other section is

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