Which of the following is a wrong statement?
- AThe Wheatstone bridge is most sensitive when all the four resistances are of the same order.
- BIn a balanced Wheatstone bridge,interchanging the positions of the galvanometer and the cell affects the balance of the bridge.
- CKirchhoff's first law (for currents meeting at a junction in an electric circuit) expresses the conservation of charge.
- DThe rheostat can be used as a potential divider.
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Similar Questions
Three resistances $P, Q, R$ each of $2 \,\Omega$ and an unknown resistance $S$ form the four arms of a Wheatstone bridge circuit. When a resistance of $6 \,\Omega$ is connected in parallel to $S$,the bridge gets balanced. What is the value of $S$ in $\Omega$?
MediumAIPMT 2007
View SolutionIn the given Wheatstone bridge circuit,the current flowing through the $40 \Omega$ resistor is:
DifficultMHT CET 2023
View SolutionIn the given figure,the ratio of current in the $8\,\Omega$ resistor to the current in the $3\,\Omega$ resistor will be:
Medium
View SolutionTwo resistances $R_1 = X \Omega$ and $R_2 = 1 \Omega$ are connected to a wire $AB$ of uniform resistivity,as shown in the figure. The radius of the wire varies linearly along its axis from $0.2 \text{ mm}$ at $A$ to $1 \text{ mm}$ at $B$. $A$ galvanometer $(G)$ connected to the center of the wire,$50 \text{ cm}$ from each end along its axis,shows zero deflection when $A$ and $B$ are connected to a battery. The value of $X$ is:
The value of the resistance $R$ in the figure is .......... $\Omega$.
Easy
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