Last Updated On [03-11-2023]
In the experimental set up of metre bridge shown in the figure, the null point is obtained at a distance of 40 cm from A. If a 10
resistor is connected in series with R1, the null point shifts by 10 cm. The resistance that should be connected in parallel with (R1 + 10)
such that the null point shifts back to its initial position is
|
a. |
40 |
b. |
60 |
|
c. |
20 |
d. |
30 |
Question ID - 50605 :- In the experimental set up of metre bridge shown in the figure, the null point is obtained at a distance of 40 cm from A. If a 10 resistor is connected in series with R1, the null point shifts by 10 cm. The resistance that should be connected in parallel with (R1 + 10) such that the null point shifts back to its initial position is
a.
40 
b.
60 
c.
20 
d.
30 
In the experimental set up of metre bridge shown in the figure, the null point is obtained at a distance of 40 cm from A. If a 10 resistor is connected in series with R1, the null point shifts by 10 cm. The resistance that should be connected in parallel with (R1 + 10) such that the null point shifts back to its initial position is
|
a. |
40 |
b. |
60 |
|
c. |
20 |
d. |
30 |
= 
…..(i)
= 1 ⇒ 
+ 10 = 
….. (ii)
+ 10 = 
10 = 
⇒ 
= 30
& 
= 20
= 
R = 60
Next Question :
|
The ratio of the outer and the inner perimeters of a circular path are 23:22. If the path is 5 m wide, the diameter of the inner circle is |
|||||||
|
(a) |
55 m |
(b) |
110 m |
(c) |
220 m |
(d) |
230 m |
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