Home
Class 12
PHYSICS
What is the voltage sensitivity of a gal...

What is the voltage sensitivity of a galvanometer if it requirs 100 mV for a full - scale deflection of 60 divisions ? Also calculate the resistance of the galvanometer coil if its current sensitivity is 2 divisions / `muA`.

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Calculate the Voltage Sensitivity of the Galvanometer The voltage sensitivity (VS) is defined as the deflection per unit voltage. Given: - Full-scale deflection = 60 divisions ...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS|59 Videos

  • MOVING CHARGES AND MAGNETISM

    MODERN PUBLICATION|Exercise Conceptual Questions|29 Videos

  • MAGNETISM AND MATTER

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|16 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|15 Videos

Similar Questions

Explore conceptually related problems

For full scale deflection of total 50 divisions, 50 mV voltage is required in galvanometer. The resistance of galvanometer if its current sensitivity is 2 div/mA will be:

A galvanometer needs 30mV for a full scale deflection of 30 divisions. Determine its voltage sensitivity. What must be its resistance if its current sensitivity is 2"div"//muA ?

Knowledge Check

  • A moving coil galvanometer needs a current of 100muA for a full scale deflecion of 50 divisions. If the resistance of the galvanometer is 1000 Omega, then its current senstivity is

    A
    `5 xx 10^(6)"div"//A`
    B
    `5 xx 10^(5)"div"//A`
    C
    `10 xx 10^(5)"div"//A`
    D
    `15 xx 10^(6)"div"//A`

  • The current sensitivity of a moving coil galvanometer depends on

    A
    the number of turns in the coil
    B
    moment of inertia of the coil
    C
    strength of the magnetic field
    D
    (a) and (c) both

  • What is the relation between voltage sensitivity S_(v) and the current sensitivity S of a moving coil galvanometer ? (Given that G is the resistance of the galvanometer.)

    A
    `S_(v) = G S_(1)`
    B
    `S_(v) = S_(1)//G`
    C
    `S_(v)S_(1) = G`
    D
    `S_(v)S_(1) = G_(2)`

    • Similar Questions

    Explore conceptually related problems

    A galvanometer needs 50mV for full scale deflection of 50 Divisions. Find it voltage sensitivity. What must be its resistance if its current sensitivity is 1 Div/A.

    The current sensitivity of a moving coil galvanometer is 10d iv//mA and voltage sensitivity is 20 d iv//V . Find the resistance of the galvanometer.

    The current sensitivity and voltage sensitivity of a moving coil galvanometer are 0.03 rad/A and 3×10^5 rad/V respectively. The resistance of the galvanometer is

    A moving coil galvanometer shows deflection of 100 divisions when 20 A current is passed through it.If resistance of galvanometer coil is 50ohm ,then find voltage sensitivity of galvanometer.

    The ratio of the shunt resistance and the resistance of a galvanometer is 1:499 . If the full scale deflection current of the galvanometer is 2mA , the range of the ammeter is

    Home
    Profile