Home
Class 12
PHYSICS
A galvanometer of resistance 99 Omega re...

A galvanometer of resistance 99 `Omega` requires 5 mA current for full scale deflection. It can be converted into an ammeter of range 0.5 A by connecting a shunt resistance of

A

`3 Omega`

B

`1 Omega`

C

`2 Omega`

D

`4 Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A galvanometer with a coil of resistance 40 ohm gives a full scale deflection for a current of 5 mA. How will you convert it into an ammeter of range 0-5 A ?

A moving coil galvanometer of resistance 40 Omega gives full scales deflection when a current of 0.25 mA is paased through it. To convert it to voltmeter of range 10 V, the resistance requried to be placed in series is

A galvanometer whose resistance is 120 Omega gives full scale deflection with a curretn of 0.5 A so that it can read a maximum current of 10 A . A shunt resistance is added in parallel with it. The resistance of the ammeter so formed is

A voltmeter of range 3V and resistance 200Omega cannot be converted to an ammeter of range

A galvanometer can withstand safely a maximum current of 5 mA. If is converted into voltmeter readding upto 20 V by connecting in series an external resistance of 3960 Omega . The resistance of galvanometer is

A galvanometer has a resistance of 40 Omega and a current of 4 mA is needed for a full scale deflection.What is the resistance and how is it to be connected to convert the galvanometer into a voltmeter of 0.5 V range ?

A galvanometer has a resistance of 16 Omega and gives a full scale deflection, when a current of 20 mA is passed through it. The only shunt resistance available is 0.04 Omega which is not appropriate to convert galvanometer into an ammeter. How much resistance should be connected in series with coil of galvanometer so that the range of ammeter is 10 A?

A galvanometer has a resistance of 16Omega . It shows full scale deflection when a current of 20mA is passed through it. The only shunt resistance available is 0.06W which is not appropriate to convert galvanometer into ammeters. How much resistance should be connected in series with the coil of galvanometer so that the range of ammeter is 8A?