Question Text
Question 1 :
To bring a unit positive charge from infinity to a point in an electric field, some work has to done, which is called:<br/>
Question 5 :
In a region of space having a uniform electric field $E$, a hemispherical bowl of radius $r$ is placed. The electric flux $\phi$ through the bowl is
Question 6 :
Let S be the set of all points in a plane. Let R be a relation on S such that for any two points a and b, aRb iff b is within 1 cm from a. Then R is
Question 7 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">The electric field in a region of space is given by $\vec{E}=(\hat{5i}+\hat{2j} )Nc^{-1}$ <span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">. The electric flux due to this </span></span><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">field through an area $2m^{2}$ </span></span><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">lying in the </span></span><i><span class="wysiwyg-font-size-medium"><span class="wysiwyg-font-size-medium">Y-Z </span></span></i><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">plane </span></span>in S.I. units is</p>
Question 8 :
"The work per unit of charge required to move a charge from a reference point to a specified point, measured in joules per coulomb or volts. The static <b>electric</b><span> field is the negative of the gradient of the </span>electric potential." comments are given below ,select the correct one
Question 9 :
Which of the following quantities are independent of the choice of zero potential or zero potential energy?
Question 10 :
The Gaussian surface for calculating the electric field due to a charge distribution is?
Question 11 :
<span>Point A is at a lower electrical potential than point B. An electron between them on the line joining them will</span>
Question 12 :
A particle of mass m and charge -q moves diametrically through a uniformly charged sphere of radius R with total charge Q. The angular frequency of the particle's simple harmonic motion, if its amplitude < R, is given by :