Which of the following statement is correct
  • A
    Liquids obey fully the ohm's law
  • B
    Liquids obey partially the ohm's law
  • C
    There is no relation between current and p.d. for liquids
  • D
    None of the above
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
    A battery of internal resistance $4\,\Omega $ is connected to the network of the resistance as shown in Fig. If the maximum power can be delivered to the network, the magnitude of $R$ in $\Omega $ should be
    View Solution
  • 2
    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
  • 3
    There is a current of $1.344\, amp$ in a copper wire whose area of cross-section normal to the length of the wire is $1\,m{m^2}$. If the number of free electrons per $c{m^3}$ is $8.4 \times {10^{22}}$, then the drift velocity would be
    View Solution
  • 4
    All resistances in figure are $1\,\Omega$ each. The value of current ' $I$ ' is $\frac{a}{5}\,A$. The value of $a$ is
    View Solution
  • 5
    In the given figure, the value of $V_{0}$ will be $.....V$.
    View Solution
  • 6
    In the given circuit the value of $\left|\frac{I_1+I_3}{I_2}\right|$ is
    View Solution
  • 7
    When two identical batteries of internal resistance $1 \Omega$ each are connected in series across a resistor $\mathrm{R}$, the rate of heat produced in $R$ is $J_1$. When the same batteries are connected in parallel across $R$, the rate is $\mathrm{J}_2$. If $\mathrm{J}_1=2.25 \mathrm{~J}_2$ then the value of $\mathrm{R}$ in $\Omega$ is
    View Solution
  • 8
    If the ammeter in the given circuit reads $2\, A$, the resistance $R$ is ............ $ohm$
    View Solution
  • 9
    A ring is made of a wire having a resistance $R_0 = 12 \,\,\Omega$. Find the points $A$ and $B,$ as shown in the figure, at which a current carrying conductor should be connected so that the resistance $R$ of the sub circuit between these points is equal to $\frac{8}{3}\,\Omega$.
    View Solution
  • 10
    All wires have same resistance and equivalent resistance between $A$ and $B$ is $R$. Now keys are closed, then the equivalent resistance will become
    View Solution