Two tangent galvanometer A and B are identical except in their number of turns. They are connected in series. On passing a current through them, defle

Question

Two tangent galvanometer A and B are identical except in their number of turns. They are connected in series. On passing a current through them, defle

Two tangent galvanometer A and B are identical except in their number of turns. They are connected in series. On passing a current through them, deflections of `60^(@) and 30^(@)` are produced. The ration of the number of turns in A and B is
A. `1:3`
B. `3:1`
C. `1:2`
D. `2:1`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

As the current and the other factors are sence same for both the galvonometers, so
`N alpha tan theta Rightarrow (N_(1))/(N_(2))=(tan 60^(@))/(tan 30^(@)) or (N_(1))/(N_(2))=(sqrt3)/(1//sqrt3)=3:1`

4 views Answered 2023-02-05 15:29