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.
Advanced
Download our app for free and get startedPlay store
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
    Find out the value of current through $2\,\Omega$ resistance for the given circuit ............ $A$
    View Solution
  • 2
    In the experiment of $Ohm's law,$ a potential difference of $5.0\, V$ is applied across the end of a conductor of length $10.0\, cm$ and diameter of $5.00\, mm .$ The measured current in the conductor is $2.00\, A$. The maximum permissible percentage error in the resistivity of the conductor is
    View Solution
  • 3
    A heater coil connected to a supply of a $220\, V$ is dissipating some power ${P_1}.$ The coil is cut into half and the two halves are connected in parallel. The heater now dissipates a power ${P_2}.$ The ratio of power ${P_1}\,\,:\,\,{P_2}$ is
    View Solution
  • 4
    the given potentiometer has its wire of resistance $10\, \Omega$. When the sliding contact is in the middle of the potentiometer wire, the potential drop across $2\, \Omega$ resistor is -
    View Solution
  • 5
    Two conductors are made of the same material and have the same length. Conductor $A$ is a solid wire of diameter $1.0\, mm$. Conductor $B$ is a hollow tube of outside diameter $2.0\, mm$ and inside diameter $1.0\, mm$. The resistance ratio $R_A/R_B$ will be
    View Solution
  • 6
    A student obtained following observations in an experiment of meter bridge to find the unknown resistance of the circuit The most accurate value of unknown resistance is ............ $\Omega$
    S.No. $R$ $l$ $100-l$ $S = \left( {\frac{{100 - l}}{l}} \right)R$
    $1$ $20\,\Omega $ $43$ $57$ $26.51\,\Omega $
    $2$ $30\,\Omega $ $51$ $49$ $28.82\,\Omega $
    $3$ $40\,\Omega $ $59$ $41$ $27.80\,\Omega $
    $4$ $60\,\Omega $ $70$ $30$ $25.71\,\Omega $
    View Solution
  • 7
    Two batteries of different $e.m.f.'s$ and internal resistance connected in series with each other and with an external load resistor. The current is $3.0 \,A$. When the polarity of one battery is reversed, the current becomes $1.0 \,A$. The ratio of the $e.m.f.'s$ of the two batteries is ............
    View Solution
  • 8
    Find potential at point $'x'$ in given circuit ............... $V$
    View Solution
  • 9
    In the circuit shown below, the key is pressed at time $t=0$. Which of the following statement(s) is(are) true?

    ($A$) The voltmeter displays $-5 \mathrm{~V}$ as soon as the key is pressed, znd displays $+5 \mathrm{~V}$ after a long time

    ($B$) The voltmeter will display $0 \mathrm{~V}$ at time $t=\ln 2$ seconds

    ($C$) The current in the ammeter becomes $1 / e$ of the initial value after $1$ second

    ($D$) The current in the ammeter becomes zero after a long time

    View Solution
  • 10
    Two identical heater filaments are connected first in parallel and then in series. At the same applied voltage, the ratio of heat produced in same time for parallel to series will be:
    View Solution