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Galvanometer - Practice Questions & MCQ

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main

Quick Facts

  • KCL, KVL, Conservation of charge and Energy and introduction to Galvanometer is considered one of the most asked concept.

  • 13 Questions around this concept.

Solve by difficulty

QuestionMEDIUM

For what value of R will the current in galvanometer zero ?

 

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In an experiment according to set up, when E1 = 12 volt and internal resistance zero, E = 2 volt. The galvanometer reads zero, then X would be

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The deflection of a moving coil galvanometer falls from 60 div to 12 div when a shunt of 12 \Omega is connected.The resistance of the galvanometer is

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The galvanometer Q has internal resistance \mathrm{Q=50\, \Omega} and full scale deflection occurs at \mathrm{i=1 \mathrm{~mA}}.Find the series resistor \mathrm{R_{3}} needed to use the arrangement as a voltmeter with different range as shown in the figure.  



 

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Concepts Covered - 1

KCL, KVL, Conservation of charge and Energy and introduction to Galvanometer

KCL, KVL, Conservation of charge and Energy and introduction to Galvanometer-

KCL is simply based on conservation of charge. That is charge cannot accumulate at a junction. 

KVL is based on conservation of energy. That is energy supplied by the source will be equal to the energy consumed by the circuit elements

\sum V=0

 Galvanometer-

It is an instrument used to detect small current passing through it by showing deflection.

Example for types of galvanometers are

moving coil galvanometer

moving magnet galvanometer

Study it with Videos

KCL, KVL, Conservation of charge and Energy and introduction to Galvanometer

Study other Related Concepts

Galvanometer Current Topic

Electric Current
Current Density
Drift Velocity
Ohms Law
Mobility Of Electron
Resistance And Resistivity
Change Of Resistance In Wires By Stretching
Resistor Colour Code
Heat And Power Developed In A Resistor
Resistors In Series And Parallel Combinations

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