Physics · 2010
NEET 2010 · Prelims · Code A · Q29
A galvanometer has a 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…
A galvanometer has a coil of resistance $\displaystyle 100$ ohm and gives a full scale deflection for $\displaystyle 30$ mA current. If it is to work as a voltmeter of $\displaystyle 30$ volt range, the resistance required to be added will be :
Official answer
(2)
$\displaystyle 900 \Omega$
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