In a meter bridge circuit, which part is called the battery arm and which part is called the galvanometer arm?
- AThe arm containing the battery is the battery arm; the arm containing the galvanometer is the galvanometer arm.
- BThe arm containing the resistors is the battery arm; the arm containing the battery is the galvanometer arm.
- CThe arm containing the galvanometer is the battery arm; the arm containing the battery is the galvanometer arm.
- DNone of the above.
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Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer. The value of the unknown resistor $R$ is ............. $\Omega$.
In a meter bridge experiment, the circuit diagram and the corresponding observation table are shown in the figure. $Sl. No.$ $R \, (\Omega)$ $l \, (cm)$ $1.$ $1000$ $60$ $2.$ $100$ $13$ $3.$ $10$ $1.5$ $4.$ $1$ $1.0$
Which of the readings is inconsistent?
| $Sl. No.$ | $R \, (\Omega)$ | $l \, (cm)$ |
| $1.$ | $1000$ | $60$ |
| $2.$ | $100$ | $13$ |
| $3.$ | $10$ | $1.5$ |
| $4.$ | $1$ | $1.0$ |
In a metre bridge experiment, the balance point is obtained if the gaps are closed by $2 \text{ } \Omega$ and $3 \text{ } \Omega$. $A$ shunt of $X \text{ } \Omega$ is added to $3 \text{ } \Omega$ resistor to shift the balancing point by $22.5 \text{ cm}$. The value of $X$ is
DifficultMHT CET 2026
View SolutionIn a meter bridge experiment,the null point is obtained at $20 \ cm$ from one end of the wire when resistance $X$ is balanced against resistance $Y$. If $X < Y$,then the distance of the new null point from the same end when a resistance of $4X$ is balanced against $Y$ will be ............ $cm$.
Medium
View SolutionWhen a wire is connected in the left gap of a metre bridge,the balancing point is at $40 \ cm$ from the left end of the bridge wire. If the wire in the left gap is stretched so that its length is doubled and again connected in the same gap,then the balancing point from the left end of the bridge wire is
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