In an electrolyte $3.2 \times {10^{18}}$ bivalent positive ions drift to the right per second while $3.6 \times {10^{18}}$ monovalent negative ions drift to the left per second. Then the current is
  • A$1.6\,amp$ to the left
  • B$1.6\,amp$ to the right
  • C$0.45\,amp$ to the right
  • D$0.45\,amp$ to the left
Medium
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
    The three resistance of equal value are arranged in the different combinations shown below. Arrange them in increasing order of power dissipation.
    View Solution
  • 2
    In a conductor, if the number of conduction electrons per unit volume is $8.5 \times 10^{28}\, m^{-3}$ and mean free time is $25\,fs$ (femto second), its approximate resistivity is $\left( {{m_e} = 9.1 \times {{10}^{ - 31}}\,kg} \right)$
    View Solution
  • 3
    $n$ identical cells are joined in series with its two cells $A$ and $B$ in the loop with reversed polarities. $EMF$ of each shell is $E$ and internal resistance $r$. Potential difference across cell $A$ or $B$ is (here $n > 4$) 
    View Solution
  • 4
    In the adjoining circuit, the battery $E_1$ has an $e.m.f.$ of $12\, volts$ and zero internal resistance, while the battery $E_2$ has an $e.m.f.$ of $2\, volts$. If the galvanometer $G$ reads zero, then the value of the resistance $X$ in $ohms$ is
    View Solution
  • 5
    The current in a metallic conductor is plotted against voltage at two different temperatures $T_1$ and $T_2$. Which is correct
    View Solution
  • 6
    Three resistors having resistances $\mathrm{r}_{1}, \mathrm{r}_{2}$ and $\mathrm{r}_{3}$ are connected as shown in the given circuit. The ratio $\frac{i_{3}}{i_{1}}$ of currents in terms of resistances used in the circuit is :
    View Solution
  • 7
    A current of $1\, mA$ is flowing through a copper wire. How many electrons will pass a given point in one second
    View Solution
  • 8
    In india electricity is supplied for domestic use at $220\,\,V$. It is supplied at $110\,\, V$ in $USA$. If resistance of $60\,\, W$ bulb for use in India is $R$, then the resistance of $60\,\, W$ bulb for use in $USA$ will be
    View Solution
  • 9
    Five resistors are connected as shown in the diagram. The equivalent resistance between $A$ and $B$ is .............. $ohm$
    View Solution
  • 10
    A wire is connected to a battery between the point $M$ and $N$ as shown in the figure $(1)$. The same wire is bent in the form of a square and then connected to the battery between the points $M$ and $N$ as shown in the figure $(2)$. Which of the following quantities increases?
    View Solution