When a positive $q$ charge is taken from lower potential to a higher potential point, then its potential energy will
Easy
Download our app for free and get started
(b) $\Delta \,P.E. = $ Work done by external agent
$ = ({V_f}q - {V_i}q)$${V_f} > {V_i} \Rightarrow \,\Delta P.E. > 0\,i.e.P.E.$ will increase
$ = ({V_f}q - {V_i}q)$${V_f} > {V_i} \Rightarrow \,\Delta P.E. > 0\,i.e.P.E.$ will increase
Download our appand 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
- 1Equipotential surfaces associated with an electric field which is increasing in magnitude along the $x$-direction areView Solution
- 2Two capacitors of capacities $2 {C}$ and ${C}$ are joined in parallel and charged up to potential ${V}$. The battery is removed and the capacitor of capacity $C$ is filled completely with a medium of dielectric constant ${K}$. The potential difference across the capacitors will now beView Solution
- 3A $30\,\mu F$ capacitor is charged by a constant current of $30\, mA$. If the capacitor is initially uncharged, how long does it take for the potential difference to reach $400\, V$.....$s$View Solution
- 4$64$ drops each having the capacity $C$ and potential $V$ are combined to form a big drop. If the charge on the small drop is $q$, then the charge on the big drop will beView Solution
- 5There is an air filled $1\,pF$ parallel plate capacitor. When the plate separation is doubled and the space is filled with wax, the capacitance increases to $2\,pF$. The dielectric constant of wax isView Solution
- 6A charge of $5\,C$ is given a displacement of $0.5\,m$. The work done in the process is $10\,J$. The potential difference between the two points will be.......$V$View Solution
- 7If $3$ charges are placed at the vertices of equilateral triangle of charge ‘$q$’ each. What is the net potential energy, if the side of equilateral triangle is $l\, cm$View Solution
- 8A solid conducting sphere, having a charge $Q$, is surrounded by an uncharged conducting hollow spherical shell. Let the potential difference between the surface of the solid sphere and that of the outer surface of the hollow shell be $V$. If the shell is now given a charge of $-4\, Q$, the new potential difference between the same two surface is......$V$View Solution
- 9A capacitor is charged with a battery and energy stored is $U$. After disconnecting battery another capacitor of same capacity is connected in parallel to the first capacitor. Then energy stored in each capacitor isView Solution
- 10Two parallel metal plates having charges $+Q$ and $- Q$ face each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates willView Solution