Home
Class 12
PHYSICS
The sensitivity of a galvanometer of res...

The sensitivity of a galvanometer of resistance `990Omega` is increased by `10` times. The shunt used is

A

`100 Omega `

B

`120 Omega `

C

`110 Omega `

D

`50 Omega `

Text Solution

Verified by Experts

The correct Answer is:
C
`S = (G)/(n-1)`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 2(C.W) (AMPERE.S CIRCUITAL LAW BIO-SAVART LAW AND ITS APPLICATIONS)|19 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 2(C.W) (TANGENT GALVANOMETER)|2 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(H.W) (MOVING COIL GALVANOMETER)|2 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos

  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

Similar Questions

Explore conceptually related problems

The current measuring capacity of a galvanometer of resistance 50 Omega is to be increased from x mA to 101 xxmA .The shunt resistance is

The sensitivity of a galvanometer that measures current is decreased by 1//40 times by using shunt ressitance of 10Omega . Then, value of resistance of the galvanometer is

The current sensitivity of a galvanometer increases by 20%. If its resistance also increases by 25%, the voltage sensitivity will

The combined resistance of a galvanometer of resistance of 495 ohm and its shunt is 9.9 Omega . The shunt resistance is

The combinant resistance of a galvanometer of resistance 500 Omega and its shunt is 25 Omega . What is the value of the shunt?

The sensitivity of a galvanometer is 60 divisions/Amp. When a shunt is used, its sensitivity becomes 10 divisions Amp. If the galvanometer is of resistance 20 Omega , the value of shunt used is:

The combined resistance of a galvanometer of resistance 500 Omega and its shunt is 21 Omega Calculated the value of shunt.

An ammeter consists of a galvanometer of a resistance 45 Omega shunted with a resistance of 3 Omega . If the current rating of that can be measured by the ammeter will be

If 10% of the main current is to be passsed through a maving coil galvanometer of resistance 99 Omega , then the ratio of its resistance and the shunt resistance will be