Which is a wrong statement
  • A
    The Wheatstone bridge is most sensitive when all the four resistances are of the same order
  • B
    In a balanced Wheatstone bridge, interchanging the positions of galvanometer and cell affects the balance of the bridge
  • C
    Kirchhoff's first law (for currents meeting at a junction in an electric circuit) expresses the conservation of charge
  • D
    The rheostat can be used as a potential divider
Medium
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    Four identical electrical lamps are labelled $1.5\,V$, $0.5\,A$ which describes the condition necessary for them to operate at normal brightness. A $12\,V$ battery of negligible internal resistance is connected to lamps as shown, then
    View Solution
  • 2
    In the given circuit, the terminal potential difference of the cell is:
    View Solution
  • 3
    Figure shows three resistor configurations $R_1,R_2$ and $R_3$ connected to $3\,V$ battery. If the power dissipated by the configuration $R_1, R_2$ and $R_3$ is $P_1, P_2$ and $P_3$ , respectively then
    View Solution
  • 4
    The total power dissipated in watts in the circuit shown is ............. $W$
    View Solution
  • 5
    The balancing length for a cell is $560 \;\mathrm{cm}$ in a potentiometer experiment. When an external resistance of $10 \;\Omega$ is connected in parallel to the cell, the balancing length changes by $60\; \mathrm{cm} .$ If the internal resistance of the cell is $\frac{\mathrm{N}}{10} \;\Omega,$ where $\mathrm{N}$ is an integer then value of $\mathrm{N}$ is
    View Solution
  • 6
    In the circuit shown, the potential difference between $A$ and $B$ is ............. $V$
    View Solution
  • 7
    Find the equivalent resistance across $AB$ .............. $\Omega$
    View Solution
  • 8
    In the circuit shown the cells are ideal and of equal emfs, the capacitance of the capacitor is $C$ and the resistance of the resistor is $R. X$ is first joined to $Y$ and then to $Z$. After a long time, the total heat produced in the resistor will be
    View Solution
  • 9
     Find current in $6\,\Omega $ resistance
    View Solution
  • 10
    Five cells each of emf $E$ and internal resistance $r$ are connected in series. Due to oversight one cell is connected wrongly. The equivalent internal resistance of the combination is ........... $r$
    View Solution