Wheatstone's Bridge - Practice Questions & MCQ

$\frac{P}{Q}=\frac{R}{S_1+S_2}$

$\frac{P}{Q}=\frac{2R}{S_1+S_2}$

$\frac{P}{Q}=\frac{R\left(S_1+S_2\right)}{S_1 S_2}$

$\frac{P}{Q}=\frac{R\left(S_1+S_2\right)}{2S_1 S_2}$

0.17A

0.33A

0.5A

0.67A

from a to b

from b to a

from b to a through c

from a to b through c

Wheatstone bridge is the most sensitive when all four resistances are of the same order of magnitude.

In a balanced wheatstone bridge if the cell and the galvanometer are exchanged, the null point is disturbed.

A rheostat can be used as a potential divider.

 Kirchhoff’s second law represents energy conservation.

$\frac{R_2 R_3 R_5}{R_1 R_3-R_2 R_5}$

$\frac{R_1 R_3}{R_2 R_5}$

$\frac{R_2 R_3}{R_2 R_3-R_5 R_4}$

None of these