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In a wheatstone bridge if the battery and galvanometer are interchanged then the deflection in galvanometer will
The deflection in galvanometer will not be changed due to interchange of battery and the galvanometer.
In a Wheatstone’s network, P = 2Ω, Q = 2Ω, R = 2Ω and S = 3Ω. The resistance with which S is to be shunted in order that the bridge may be balanced is
Let x be the resistance shunted with S for the bridge to be balanced.
For a balance Wheatstone's bridge
or S' = 2Ω
x = 6Ω
Four resistances of 3Ω, 3Ω, 3Ω and 4Ω respectively are used to form a Wheatstone bridge. The 4Ω resistance is short circuited with a resistance R in order to get bridge balanced. The value of R will be
The bridge will be balanced when the shunted resistance is of the value of 3Ω
Four resistors are connected as shown in the figure.
A 6V battery of negligible resistance, is connected across terminals A and C. The potential difference across terminals B and D will be
The given figure is a circuit of balanced Wheatstone bridge as shown in the figure.
Points B and D would be at the same potential,
i.e., VB − VD = 0 volt
Resistances P, Q, S and R are arranged in a cyclic order to form a balanced Wheatstone's network. The ratio of power consumed in the branches (P + Q) and (R + S) is
For balanced Wheatstone's bridge
P/Q = R/S.....(i)
Power dissipation in resistance R with voltage V is V2/R.
From equation (i)
Using (i), we get