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Current Electricity question

2017 · Q127
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Current Electricity question

2017 · Q127

NEETPhysicsCurrent ElectricityMCQ+4 / −1
A potentiometer is an accurate and versatile device to make electrical measurements of EMF because the method involves
  1. A
    potential gradients
  2. B
    a condition of no current flow through the galvanometer
  3. C
    a combination of cells, galvanometer and resistances
  4. D
    cells
View written solutionFree

Correct answer: B

A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves zero deflection without any current in galvanometer.

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