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प्रश्न
How will you convert a moving coil galvanometer into a voltmeter?
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उत्तर
By connecting high resistance in series
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संबंधित प्रश्न
Write the underlying principle of a moving coil galvanometer.
A circular coil of 250 turns and diameter 18 cm carries a current of 12A. What is the magnitude of magnetic moment associated with the coil?
Explain, giving reasons, the basic difference in converting a galvanometer into (i) a voltmeter and (ii) an ammeter?
Draw a labelled diagram of a moving coil galvanometer and explain its working. What is the function of radial magnetic field inside the coil?
Why are the pole pieces of a horseshoe magnet in a moving coil galvanometer made cylinder in shape?
The AC voltage across a resistance can be measured using a ______.
The conversion of a moving coil galvanometer into a voltmeter is done by ______.
How is current sensitivity increased?
A resistance of 3Ω is connected in parallel to a galvanometer of resistance 297Ω. Find the fraction of current passing through the galvanometer.
A voltmeter has a range of 0 - 20 V and a resistance of 500 Q. Explain how can be used to measure voltages from 0 - 200 volt?
