Download App
When current flows through a conductor, then the order of drift velocity of electrons will be
  • A${10^{10}}\,m/\sec $
  • B${10^{ - 2}}\,cm/\sec $
  • C${10^4}\,cm/\sec $
  • D${10^{ - 1}}\,cm/\sec $
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.*
Download App

Similar Questions

  • 1
    In the figure, current through the $3\,\Omega $ resistor is $0.8\, ampere$, then potential drop through $4\,\Omega $ resistor is ........... $V$
    View Solution
  • 2
    Two resistors are connected $(a)$ in series $(b)$ in parallel. The equivalent resistance in the two cases are $9$ $ohm$ and $2$ $ohm$ respectively. Then the resistances of the component resistors are
    View Solution
  • 3
    If $n, e, \tau$ and $m$ are representing electron density, charge, relaxation time and mass of an electron respectively, then the resistance of a wire of length / and cross-sectional area $A$ is given by
    View Solution
  • 4
    The figure below shows currents in a part of electric circuit. The current $i$ is ............. $amp$
    View Solution
  • 5
    The ratio of powers dissipatted respectively in $R$ and $3R$, as shown is:
    View Solution
  • 6
    A $6\,\,V$ battery is connected to the terminals of a $3\, m$ long uniform wire having resistance $100\,\Omega $. The difference in potential between two points on the wire separated by a distance of $50\,  cm$ will be ............. $V$
    View Solution
  • 7
    In the circuit shown in figure, if ammeter and voltmeter are ideal, then the power consumed in $9 \,\Omega$ resistor will be .......... $W$
    View Solution
  • 8
    The figure shows a tetrahedron, each side of which has a resistance $r$ If a battery is connected between any two points of the tetrahedron, then identify the correct statement $(s)$.
    View Solution
  • 9
    A potentiometer having the potential gradient of $2\, mV/cm$ is used to measure the difference of potential across a resistance of $10 \,\Omega$. If a length of $50\, cm$ of the potentiometer wire is required to get the null point, the current passing through the $10 \,\Omega$ resistor is (in $mA$)
    View Solution
  • 10
    Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason $R$.

    Assertion $A:$ Alloys such as constantan and manganin are used in making standard resistance coils.

    Reason $R:$ Constantan and manganin have very small value of temperature coefficient of resistance.In the light of the above statements, choose the correct answer from the options given below.

    View Solution