Thirteen resistances each of resistance $R\, ohm$ are connected in the circuit as shown in the figure below. The effective resistance between $A$ and $B$ is
Diffcult
Download our app for free and get startedPlay store
(c) Hence ${R_{eq}} = \frac{{2R}}{3}$.
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
    Consider a thin square sheet of side $\mathrm{L}$ and thickness $\mathrm{t}$, made of a material of resistivity $\rho$. The resistance between two opposite faces, shown by the shaded areas in the figure is
    View Solution
  • 2
    A resistance is shown in the figure. Its value and tolerance are given respectively by
    View Solution
  • 3
    Correct set up to verify Ohm's law is
    View Solution
  • 4
    $10\,Cells$, each of emf $'E'$ and internal resistance $'r'$, are connected in series to a variable external resistance. Figure shows the variation of terminal potential difference of their combination with the current drawn from the combination.$Emf$ of each cell is ............. $V$
    View Solution
  • 5
    A cell of internal resistance $r$ is connected across an external resistance $n r$. Then the ratio of the terminal voltage to the emf of the cell is
    View Solution
  • 6
    In the figure shown, if the internal resistance of the battery is $1\, ohm$ , the reading of the ammeter will be ................. $\mathrm{A}$
    View Solution
  • 7
    $n$ identical cells are joined in series with two cells $A$ and $B$ with reversed polarities. $emf$ of each cell is $E$ and internal resistance is $r$. Potential difference across cell $A$ and $B$ is : $(n > 4)$
    View Solution
  • 8
    The figure shows a tetrahedron, each side of which has a resistance $r$ Choose the correct statement $(s)$ related to the resistance between any two points.
    View Solution
  • 9
    Watt-hour meter measures
    View Solution
  • 10
    A resistance $R = 12\, \Omega$ is connected across a source of emf as shown in the figure . Its $emf$ changes with time as shown in the graph . What is the heat developed in the resistance in the first four seconds ? ............. $J$
    View Solution
Thirteen resistances each of resistance R, ohm are connected in the circuit as shown in the figure below. The effective resistance between A and B