Download App
$20\,\mu A$ current flows for $30$ seconds in a wire, transfer of charge will be
  • A$2 \times {10^{ - 4}}\,C$
  • B$4 \times {10^{ - 4}}\,C$
  • C$6 \times {10^{ - 4}}\,C$
  • D$8 \times {10^{ - 4}}\,C$
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
    Three $60\, W$ light bulbs are mistakenly wired in series and connected to a $120\,V$ power supply. Assume the light bulbs are rated for single connection to $120\,V$. With the mistaken connection, the power dissipated by each bulb is: .................. $W$
    View Solution
  • 2
    The equivalent resistance between $A$ and $B$ is
    View Solution
  • 3
    In the circuit shown $E, F, G$ and $H$ are cells of $\mathrm{e.m.f.}$ $2\,V, 1\,V, 3\,V$ and $1\,V$ respectively and their internal resistances are $2\,\Omega , 1\,\Omega , 3\,\Omega$ and $1\,\Omega$ respectively.
    View Solution
  • 4
    Two batteries, one of emf $18\,volts\;emf$ and internal resistance $2\,\Omega $ and the other of emf $12\, volt$ and internal resistance $1\,\Omega $, are connected as shown. The voltmeter $V$ will record a reading of .............. $volt$
    View Solution
  • 5
    The electric intensity $E$, current density $j$ and specific resistance $k$ are related to each other by the relation
    View Solution
  • 6
    For what value of $R$ the net resistance of the circuit will be $18\, ohms$ ............... $\Omega$
    View Solution
  • 7
    If $2.2\, Kwatt$ power is transmitted through a $10\, ohm$ line at $22000\, volt$, the power loss in the form of heat will be ............. $watt$
    View Solution
  • 8
    The figure shows a network of resistances in which the point $A$ is earthed. The point which has the least potential is
    View Solution
  • 9
    The balancing length for a cell is $560 \;\mathrm{cm}$ in a potentiometer experiment. When an external resistance of $10 \;\Omega$ is connected in parallel to the cell, the balancing length changes by $60\; \mathrm{cm} .$ If the internal resistance of the cell is $\frac{\mathrm{N}}{10} \;\Omega,$ where $\mathrm{N}$ is an integer then value of $\mathrm{N}$ is
    View Solution
  • 10
    In a potentiometer arrangement, a cell gives a balancing point at $75\, cm$ length of wire. This cell is now replaced by another cell of unknown emf. If the ratio of the emf's of two cells respectively is $3: 2$, the difference in the balancing length of the potentiometer wire in above two cases will be.........$cm .$
    View Solution