A potential gradient is created in the w...

A potential gradient is created in the wire by a standard cell for the comparision of emf's of two cells in a potentiometer experiment. Which possibility of the following will cause failure of the experiment.

A

the emf of the standard cells is higher than that of the other cells

B

the diameter of the wires is equal and similar,

C

the number of wires is ten

D

the emf of the standard cells is less than those of both the cells

Verified by Experts

The correct Answer is:

D

Similar Questions

Explore conceptually related problems

Comparision Of Emf Of Two Cells

How will you campare emf of two cells by potentiometer?

In comparing e.m.f. of two cells by a potentiometer balance point is obtained on 5^(th) wire, the current flowing through the wire is taken

The emf of the driver cell in the potentiometer experiment should be greater than the emf of the cell to be determined. Why?

In comparing emf's of 2 cells with the helf of potentiometer, at the balance point, the current flowing through the wire is taken from

Assertion : The e.m.f. of the drivercell in the potentiometer experiment should be greater than the e.m.f. of the cell to determined.

Which of the following statements is correct during measurement of emf of cell by potentiometer ? .