Which of the following statements is false?
  • A
    Wheatstone bridge is the most sensitive when all the four resistances are of the same order of magnitude
  • B
    In a balanced wheatstone bridge if the cell and the galvanometer are exchanged, the null point is disturbed.
  • C
    A rheostat can be used as a potential divider
  • D
    Kirchhoff's second law represents energy conservation
JEE MAIN 2017, Easy
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
    The variation of applied potential and current flowing through a given wire is shown in figure. The length of wire is $31.4 \,cm$. The diameter of wire is measured as $2.4 \,cm$. The resistivity of the given wire is measured as $x \times 10^{-3} \,\Omega cm$. The value of $x$ is_______ [Take $\pi=3.14]$
    View Solution
  • 2
    In the circuit diagram shown in figure given below, the current flowing through resistance $3\, \Omega$ is $\frac{ x }{3}\,A$. The value of $x$ is $...........$
    View Solution
  • 3
    The charge accumulated on the capacitor connected in the following circuit is________ $\mu \mathrm{C}$ (Given $\mathrm{C}=150\  \mu \mathrm{F}$ )
    View Solution
  • 4
    Find charge stored on the capacitor in steady state condition .............. $\mu C$
    View Solution
  • 5
    Resistance as shown in figure is negative at
    View Solution
  • 6
    Three identical resistances $A$, $B$ and $C$ are connected as shown in the given figure. The heat produced will be maximum
    View Solution
  • 7
    A circuit containing five resistors is connected to a battery with a $12 \,V$ emf as shown in figure. The potential difference across $4 \,\Omega$ resistor is ........... $V$
    View Solution
  • 8
    Resistance are connected in a meter bridge circuit as shown in the figure. The balancing length $l_{1}$ is $40\,cm$. Now an unknown resistance $x$ is connected in series with $P$ and new balancing length is found to be $80\,cm$ measured from the same end. Then the value of $x$ will be $.......\Omega$
    View Solution
  • 9
    In the circuit, the potential difference across $PQ$ will be nearest to .............. $V$
    View Solution
  • 10
    In the circuit shown, the energy stored in the capacitor is $n\,\mu J$. The value of $n$ is ..............
    View Solution