Advertisements
Advertisements
प्रश्न
Why are the pole pieces of a horseshoe magnet in a moving coil galvanometer made cylinder in shape?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Write the underlying principle of a moving coil galvanometer.
Why does a galvanometer when connected in series with a capacitor show a momentary deflection, when it is being charged or discharged?
How does this observation lead to modifying the Ampere's circuital law?
Hence write the generalised expression of Ampere's law.
Define the current sensitivity of a galvanometer ?
Explain, giving reasons, the basic difference in converting a galvanometer into (i) a voltmeter and (ii) an ammeter?
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?
Outline the necessary steps to convert a galvanometer of resistance RG into an ammeter of a given range ?
Explain the significance of a radial magnetic field when a current-carrying coil is kept in it.
In an ammeter 0.5% of main current passes through galvanometer; If resistance of galvanometer is G, the resistance of ammeter will be.
Explain in brief the basic construction of a moving-coil table galvanometer whit a neat labelled diagram.
