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JEE Main 2016 (Online) 10th April Morning Slot
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A galvanometer has a 50 division scale. Battery has no internal resistance. It is found that there is deflection of 40 divisions when R = 2400 $$\Omega $$. Deflection becomes 20 divisions when resistance taken from resistance box is 4900 $$\Omega $$. Then we can conclude :

JEE Main 2016 (Online) 10th April Morning Slot Physics - Current Electricity Question 240 English
A
Resistance of galvanometer is 200 $$\Omega $$
B
Full scale deflection current is 2 mA.
C
Current sensitivity of galvanometer is 20 $$\mu $$A/division.
D
Resistance required on R.B. for a deflection of 10 divisions is 9800 $$\Omega $$.
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