Home
Class 12
PHYSICS
The net resistance of a volmeter should ...

The net resistance of a volmeter should be large to ensure that

A

(a)it does not get overheated

B

(b)it does not draw excessive current

C

(c )it can measure large potential defferences

D

(d)it does not apperciably change the potential difference to be measured.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise objective 2|9 Videos

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Exercises|84 Videos

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise questions for short answer|17 Videos

  • DISPERSION AND SPECTRA

    HC VERMA|Exercise Exercises|11 Videos

  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Exercise|23 Videos

Similar Questions

Explore conceptually related problems

The net resistance of an ammeter should be small to ensure that

A galvanometer of resistance 50 Omega gives a full scale deflection for a current 5 xx 10^(-4)A .The resistance that should be connected in series with the galvanometer to read 3 V is:

Should the resistance of an ammeter be low or high ? Give reason.

A galvanometer has a coil of resistance 100(Omega) showing a full-scale deflection at 50(mu)A. What resistance should be added to use it as (a) a voltmeter of range 50 V (b) an ammeter of range 10 mA?

A concave mirror gives an images three times as large as the object placed at a distance of 20 cm from it. For the images to be real, the length should be

The net force acting on a body when it is at rest is

A galvanometer of resistance 50 Omega is connected to a battery of 3V along with a resistance of 2950 Omega in series. A full scale deflection of 30 divisions is obtained in the galvanometer. In order to reduce this deflection to 20 divisions, the resistance in series should be:

In a LCR series a.c. circuit, the phase difference between current and volatage is 60^(@). If the net reactance of the circuit is 17.32Omega, the value of the resistance is :