Twelve resistors each of resistance $16 \,\Omega $ are connected in the circuit as shown. The net resistance between $AB$ (any two conjugate points of outer square) is ............... $\Omega$
  • A$1$
  • B$2$
  • C$3$
  • D$4$
Diffcult
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
    In a potentiometer (see figure) a balance is obtained at a length of $400\  mm$ when using a known battery of emf $1.6\   V$. After removing this battery, another battery of unknown emf is used and balance is obtained at a length of $650\  mm.$ The emf of unknown battery is  ............. $volt$
    View Solution
  • 2
    The drift velocity of free electrons in a conductor is ‘$v$’ when a current ‘$i$’ is flowing in it. If both the radius and current are doubled, then drift velocity will be
    View Solution
  • 3
    An expression for rate of heat generated, if a current of $I$ ampere flows through a resistance of $R$ $\Omega$, is
    View Solution
  • 4
    In the circuit shown below $E_1\, =4.0\, V$, $R_1\, = 2\,\Omega$, $E_2\, = 6.0\, V$, $R_2\, = 4\,\Omega$ and $R_3\, = 2\,\Omega$. The current $I_1$ is ............... $\mathrm{A}$
    View Solution
  • 5
    $A$ brass disc and a carbon disc of same radius are assembled alternatively to make a cylindrical conductor. The resistance of the cylinder is independent of the temperature. The ratio of thickness of the brass disc to that of the carbon disc is [$\alpha$ is temperature coefficient of resistance and Neglect linear expansion ]
    View Solution
  • 6
    In a potentiometer experiment the balancing with a cell is at length $240\,cm$ . On shunting the cell with a resistance of $2\,\Omega $ , the balancing length becomes $120\, cm$ . The internal resistance of the cell is ................... $\Omega$
    View Solution
  • 7
    The current flowing through the $1 \Omega$ resistor is $\frac{\mathrm{n}}{10} \ A. $ The value of $n$ is. . . . . . .
    View Solution
  • 8
    Resistance of $100\, cm$ long potentiometer wire is $10 \,\Omega$, it is connected to a battery ($2\, volt$) and a resistance $R$ in series. A source of $10\, mV$ gives null point at $40\, cm$ length, then external resistance $R$ is ........... $\Omega $
    View Solution
  • 9
    The equivalent resistance of the infinite network given below is :
    View Solution
  • 10
    If two electric bulbs have $40\,W$ and $60\,W$ rating at $220\,V$, then the ratio of their resistances will be
    View Solution