Question 2 :
If $4 \times 10^{20}eV$ is required to move a charge of $0.25\ C$ between two points, the potential difference between these two points is:

Question 4 :
The work done in moving a single positive charge from infinity to a point is called ..... at that point

Question 5 :
The intensity of electric field E due to charge Q at distance r.<br>

Question 6 :
The electric volt is a measure of electrical potential. Identify which of the following can be defined as a volt.

Question 10 :
The potential energy of a proton is $3.2\times 10^{-18}J$ at a particular point. The electric potential at this point is:<div>(Given charge on a proton is $1.6 \times 10^{-19}\ C$)</div>

Question 11 :
Two charges $+q$ and $-q$ are kept apart. Then at any point on the right bisector of line joining the two charges

Question 13 :
Work&#160;done in moving an electric charge <i>q </i>in an&#160;electric&#160;field does not depend upon :

Question 14 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">There is 10 units of charge at the centre of a circle of radius 10m. The work done in moving 1 unit of charge around the circle once is:</p>

Question 17 :
The work done is carrying a charge q once round a circle of radius r with a charge q at the center is?

Question 18 :
When moving electron comes closer to other stationary electron, then its kinetic energy and potential energy respectively _____ and _____.

Question 19 :
What is the electric potential at a distance of 9 cm from 3 nC?

Question 20 :
Two charges are separated by a distance d. If the distance between them is doubled, how does the electric potential between them change?

Question 21 :
If&#160;a unit charge is taken from one point to another&#160;over&#160;an equipotential surface, then :

Question 22 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">The two surfaces A and B are at the same potential and separated by a distance $r$. The work done in carrying a charged particle ($q$) from A to B will be:</p>

Question 23 :
The kinetic energy of an electron, which is accelerated in the potential difference of $100\ V$, is

Question 25 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">A point positive charge of Q' unit is moved round another positive charge of Q unit on a circular path. If the radius of the circle is r, the work done on the charge Q' in making one complete revolution is:</p>

Question 26 :
Eight identical spherical mercury drops charged to a potential of 20 v each are coalesced into a single spherical drop:

Question 27 :
If two similarly charged&#160;particles are brought near one another, the potential energy of the system will :<br/>

Question 28 :
A bullet of mass 2 g is having a charge of 2 $\mu$ C. Through what potential&#160;difference&#160;must it be&#160;accelerated, starting from rest, to acquire a speed of 10 m/s ?&#160;&#160;

Question 30 :
To bring a unit positive charge from infinity to a point in an electric field, some work has to done, which is called:<br/>