Four wires of equal length and of resistances $10$ $ ohms$ each are connected in the form of a square. The equivalent resistance between two opposite corners of the square is ............. $ohm$
  • A$10$ 
  • B$40$ 
  • C$20$ 
  • D$10/4$ 
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
    Two sources of equal $emf$ are connected to an external resistance $R$. The internal resistances of the two sources are ${R_1}$ and ${R_2}\,({R_2} > {R_1})$. If the potential difference across the source having internal resistance ${R_2}$ is zero, then
    View Solution
  • 2
    The equivalent resistance and potential difference between $A$ and $B$ for the circuit is respectively
    View Solution
  • 3
    For the given circuit the current through battery of $6\,V$ just after closing the switch ' $S$ ' will be$.......A$.
    View Solution
  • 4
    When the length and area of cross-section both are doubled, then its resistance
    View Solution
  • 5
    Find the value of current from battery in the circuit ............... $A$
    View Solution
  • 6
    In the circuit shown here, what is the value of the unknown resistor $R$ so that the total resistance of the circuit between points $P$ and $Q$ is also equal to $R$
    View Solution
  • 7
    A galvanometer $(G)$ $\Omega$ of 2 risistance is connected in the givn circuit the raito of charge in $C_1$ and $C_2$ is:

     

    View Solution
  • 8
    If $n,\,e,\,\tau $ and $m$ respectively represent the density, charge relaxation time and mass of the electron, then the resistance of a wire of length $l$ and area of cross-section $A$ will be
    View Solution
  • 9
    If a $30\, V$, $90\, W$ bulb is to be worked on a $120\, V$ line, a resistance of how many ohms should be connected in series with the bulb ............... $ohm$
    View Solution
  • 10
    In the arangement of resistances shown below, the effective resistance between points $A$ and $B$ is ............... $\Omega$
    View Solution