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 - Deflection becomes 20 divisions when resistance taken from resistance box is 4900 - Then we can conclude-

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Standard XII

Physics

Galvanometer

A galvanomete...

Question

A galvanometer has a $50$ division scale. Battery has no internal resistance. It is found that there is deflection of $40$ divisions when $R = 2400 Ω$ . Deflection becomes $20$ divisions when resistance taken from resistance box is $4900 Ω$ . Then we can conclude:

current sensitivity of galvanometer is

20 μ A /

division

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resistance of galvanometer is

200 Ω

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resistance required on

R . B .

for a deflection of

10

divisions is

9800 Ω

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full scale deflection current is

2 m . A

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Not Solvable

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Solution

The correct option is E Not Solvable
This question is not solvable.

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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 Ω. Deflection becomes 20 divisions when resistance taken from resistance box is 4900 Ω. Then we can conclude:

The correct option is E Not SolvableThis question is not solvable.

A galvanometer has a $50$ division scale. Battery has no internal resistance. It is found that there is deflection of $40$ divisions when $R = 2400 Ω$ . Deflection becomes $20$ divisions when resistance taken from resistance box is $4900 Ω$ . Then we can conclude:

The correct option is E Not Solvable
This question is not solvable.