CameraIcon

SearchIcon

MyQuestionIcon

204

You visited us 204 times! Enjoying our articles? Unlock Full Access!

Secondary Winding

A voltmeter o...

Question

A voltmeter of full scale deflection 10 volt has grading as 10000 ohm/V. What is done to convert it for 25 V at full scale deflection? Find the new grading of the meter.

Open in App

Solution

Suggest Corrections

thumbs-up

4

Similar questions

Q. A voltmeter reads 5.0 V at full-scale deflection and is graded according to its resistance per volt at full-scale deflection as

5000 Ω V^{- 1}

. How will you convert it into a voltmeter that reads 20 V at full-scale deflection? Will it still be graded as 5000

Ω V^{- 1}

? Will you prefer this voltmeter to one that is graded

2000 Ω V^{- 1}

Q. A galvanometer having internal resistance

10 Ω

requires 0.01 A for a full scale deflection. To convert this galvanometer to a voltmeter of full-scale deflection at 120V, we need to connect a resistance of

Q. A galvanometer of resistance

5 o h m s

gives a full scale deflection for a potential difference of

10 m V

. To convert the galvanometer into a voltmeter giving a full scale deflection for a potential difference of

1 V,

the size of the resistance that must be attached to the voltmeter is

Q. A galvanometer of resistance 100 ohm gives full scale deflection with 5 millampere current. To convert it into a 5 volt range voltmeter, the value of resistance connected in series is :

Q. A galvanometer has coil of resistance 100 ohm and gives a full scale deflection for 30 mA current. If it is to work as a voltmeter of 30 volt range, the resistance required to be added will be :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Transformer

PHYSICS

Watch in App

explore_more_icon

Explore more

Secondary Winding

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon