Two charges $ + 3.2\, \times \,{10^{ - 19}}\,C$ and $ - 3.2\, \times \,{10^{ - 19}}\,C$ kept $2.4\,\mathop A\limits^o $ apart forms a dipole. If it is kept in uniform electric field of intensity $4\, \times \,{10^{5\,}}\,volt/m$ then what will be its potential energy in stable equilibrium
$ + 3 \times {10^{ - 23\,}}\,J$
$ -3 \times {10^{ - 23\,}}\,J$
$ -6 \times {10^{ - 23\,}}\,J$
$ -2 \times {10^{ - 23\,}}\,J$
Four charges are placed at the circumference of a dial clock as shown in figure. If the clock has only hour hand, then the resultant force on a charge $q_0$ placed at the centre, points in the direction which shows the time as:
Find flux related to shaded face $BCGF$
Seven capacitors, each of capacitance $2\,\mu F$ are to be connected to obtain a capacitance of $10/11\,\mu F$ .Which of the following combinations is possible ?
If there are $n$ capacitors in parallel connected to $V \,volt$ source, then the energy stored is equal to
A particle of mass $m$ and charge $q$ is placed at rest in a uniform electric field $E$ and then released. The $KE$ attained by the particle after moving a distance $y$ is