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प्रश्न
Why are the pole pieces of a horseshoe magnet in a moving coil galvanometer made cylinder in shape?
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उत्तर
Pole pieces of a horseshoe magnet in a moving coil galvanometer made cylinder in shape so that a uniform radial magnetic field is created.
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संबंधित प्रश्न
Define the current sensitivity of a galvanometer ?
In the meter bridge experiment, balance point was observed at J with AJ = l.
(i) The values of R and X were doubled and then interchanged. What would be the new position of balance point?
(ii) If the galvanometer and battery are interchanged at the balance position, how will the alance point get affected?
What are the advantages of using soft iron as a core, instead of steel, in the coils of galvanometers?
State how a moving coil galvanometer can be converted into an ammeter.
A moving coil galvanometer can be converted into an ammeter by ______.
The coil of a moving coil galvanometer is wound over a metal frame in order to ______.
The coil of galvanometer consists of 100 turns and effective area of 1 square cm. The restoring couple is 10-8 N-m/rad. The magnetic field between the pole pieces is 5T. The current sensitivity of this galvanometer will be ______.
Explain in brief the basic construction of a moving-coil table galvanometer whit a neat labelled diagram.
To convert a moving coil galvanometer into an ammeter we need to connect a ______.
The figure below shows a circuit containing an ammeter A, a galvanometer G and a plug key K. When the key is closed:
