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Mathematics Quiz
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In a moving coil Galvanometer we use a radial magnetic field so that the Galvanometer scale is
If 2% of main current is to be passed through a Galvanometer of resistance G, the Resistance of shunt required is
Which of the following is likely to have largest Resistance?
A Voltmeter has a Resistance of G ohm and range of V volt. Volume of resistance used in series to convert it into Voltmeter of range nV volt is?
A galvanometer has a resistance of 3663 ohm. A shunt S is connected across it such that (1/34) of the total current passes through the galvanometer. Then the value of the shunt is?
A soft iron cylinder is used in a moving coil galvanometer because without it in a galvanometer:
A bar magnet of 80 units magnetic moment is cut into two halves of equal length, the magnetic moment of each half will be
A steel wire of length L has a magnetic moment of M , it is bent into a semicircular arc. The new magnetic moment will be?
Two identical magnets each of moment M are kept at an angle of 60 degree, such that poles are touching each other. The magnetic moment of the combination will be?
Magnetic field produced by electrons in atoms and molecules is due to their: