# a potentiometer is an accurate and versatile device to make electrical measurement of e.m.f of a cell because the method involves

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## A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves

A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves

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A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves

Question

A

a combination of cells, galvanometer and resistances

B cells C potential gradients D

a condition of no current flow through the galvanometer

Open in App Solution

The correct option is **D** a condition of no current flow through the galvanometer

A potentiometer is an accurate and versatile device to make electrical measurements of emf because the method involves a condition of no current flow through the galvanometer, the device can be used to measure potential difference, internal resistance of a cell and compare emf's of two sources.

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SIMILAR QUESTIONS

**Q.**

The device used for measuring potential difference is known as:

(a) potentiometer (b) ammeter (c) galvanometer (d) voltmeter

**Q.**A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves

**Q.**A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:

**Q.**Figure shows a potentiometer arrangement. D is driving cell and C is the cell whose EMF is to be determined. AB is the potentiometer wire and G is galvanometer. J is jockey, then for balance condition of galvonometer

**Q.**A potentiometer is an ideal device of measuring potential difference because

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## A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:

Click here👆to get an answer to your question ✍️ A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:

Question

## A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:

**A**

## A combination of cells, galvanometer and resistances

**B**

## Cells

**C**

## Potential gradients

**D**

## A condition of no current flow through the galvanometer

Medium Open in App

Updated on : 2022-09-05

Solution Verified by Toppr

Correct option is D)

## Potentiometer works on the principle of wheatstone bridge i.e no current flows through the galvanometer

Video Explanation

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## A potentiometer is an accurate and versatile device to make electrial measurements of E.M.F. because the method involves

(b) When a potentiometer is connected across a circuit, in zero deflection condition the potentionmeter draws no current hernce the reading of potentiometer is accurate.

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A potentiometer is an accurate...

A potentiometer is an accurate and versatile device to make electrial measurements of

E.M.F. E.M.F.

because the method involves

Updated On: 27-06-2022

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Text Solution Open Answer in App A Potential gradients B

A condition of no current flow through the galvanometer

C

A combination of cells, galvanometer and resistance

D Cells Answer

The correct Answer is B

Solution

(b) When a potentiometer is connected across a circuit, in zero deflection condition the potentionmeter draws no current hernce the reading of potentiometer is accurate.

Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

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