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A galvanometer coil has a resistance of ...

A galvanometer coil has a resistance of `12Omega` and the meter shows full scale deflection for a current of `3mA`. How will you convert the meter into a voltmeter of range 0 to 18V?

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Resistance in series = 5988 Omega `
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NCERT TAMIL-MOVING CHARGES AND MAGNETISM -ADDITIONAL EXERCISES
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  2. A magnetic field of 100G(1G=10^-4T) is required which is uniform in a ...

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  3. For a circular coil of radius R and N turns carrying current I, the ma...

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  4. Toroid has a core (non-ferromagnetic) of inner radius 25 cm and outer ...

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  5. A magnetic field that varies in magnitude from point to point but has ...

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  6. A magnetic field that varies in magnitude from point to point but has ...

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  7. An electron travelling west to east enters a chamber having a uniform ...

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  8. An electron emmited by a heated cathode and accelerated through a pote...

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  9. A magnetic field set up using Helmholtz coils (described in Question 1...

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  10. A straight horizontal conducting rod of length 0*45m and mass 60g is s...

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  11. The wires which connect the battery of an automobile to its starting m...

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  12. A uniform magnetic field of 1*5T is in cylindrical region of radius 10...

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  13. A uniform magnetic field of 3000G is established along the positive z-...

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  14. A circular coil of 20 hours and radius 10cm is placed in an uniform ma...

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  15. A solenoid 60 cm long and of radius 4 cm has 3 layer of windings 300 t...

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  16. A galvanometer coil has a resistance of 12Omega and the meter shows fu...

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  17. A galvanometer coil has a resitance of 15Omega and the meter shows ful...

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