CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

EMF and EMF Devices

A 1Ω voltme...

Question

A $1 Ω$ voltmeter has range 1V. Find the additional resistance which has to join in series in voltmeter to increase the range of voltmeter to 100 V :-

A

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

\frac{1}{99}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

99

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

100

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 99
Current $I = 1 / 1 = 1 A$
In 2nd case, resistance $R = 100 I = 100 Ω$
Thus additional resistance $= 100 - 1 = 99 Ω$

Suggest Corrections

thumbs-up

0

Similar questions

Q. A voltmeter has internal resistance

r Ω

V

volts. The value of resistance used in series to convert it into a voltmeter of range

4 V

Q. A voltmeter has a resistance of

G

V

volt. The value of resistance used in series to convert it into voltmeter of range

n V

Q. A galvanorneter of resistance

G

is converted into a voltmeter of range

0 - 1 V

by connecting a resistance

R_{1}

in series with it. The additional resistance

R_{1}

in series with it. The additional resistance that should be connected in series with

R_{1}

to increase the range of the voltmeter to

0 - 2 V

Q. A milliammeter of range 10 mA has a coil of resistance

1 Ω

. To use it as voltmeter of range 10 volt, the resistance that must be connected in series with it will be

Q. A voltmeter has a resistance G and range V. Calculate the resistance to be used in series with it to extend its range to

n V

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

emf and emf Devices

PHYSICS

Watch in App

explore_more_icon

Explore more

EMF and EMF Devices

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon