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Relative Strength of Magnetic Field Inferred from Magnetic Field Lines

A galvanomete...

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A galvanometer has a coil resistance 100ohm and gives fsd of 30 mA if it is to work at voltmwtwr 30 V the resistance required is

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Q. A galvanometer has coil of resistance 100 ohm and gives a full scale deflection for 30 mA current. If it is to work as a voltmeter of 30 volt range, the resistance required to be added will be :

Q. A moving coil galvanometer has a resistance of

9.8 Ω

and gives a full scale deflection when a current of

10 m A

passes through it. The value of the shunt required to convert it into a milliammeter to measure current upto

500 m A

Q. A galvanometer has a resistance of 30

Ω

and a current of 2.0 mA gives full-scale deflection. How will you convert this galvanometer into a voltmeter of 0.2 volt range?

Q. A galvanometer coil has a resistance of

150

gives full scale deflection for a current of

4 m A

. To convert it to an ammeter of range

0

6 A

Q. A galvanometer gives full deflection when a current of 0.3 mA is passed through it. The resistance of galvanometer is

100 Ω

. Now to convert it into an ammeter, a shunt of

1 m Ω

is connected. The new range of this ammeter is:

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