Question 1 :
<p class="wysiwyg-text-align-left"><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">Three capacitors $2\mu F, 3\mu F$ and $5\mu F$ <span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">are connected in parallel. The capacitance of the combination:</p>
Question 2 :
Two charges $+q$ and $-q$ are kept apart. Then at any point on the right bisector of line joining the two charges
Question 3 :
Two capacitors of capacity $C_1$ and $C_2$ are connected in parallel, then the equivalent capacity is:
Question 5 :
In cyclotron, for a given magnet, radius of the semicircle traced by positive ion is directly proportional to__________. (v=velocity of positron ion)<br/>
Question 6 :
A beam of electrons passes undeflected through<br>mutually perpendicular electric and magnetic<br>fields. It the electric field is switched off, and the<br>same magnetic field is maintained, the electrons<br>move:<br><br>
Question 7 :
Which of the following isotopes is used for treatment of cancer?
Question 8 :
The term that would apply to $\displaystyle ^{ 16 }{ O }$ and $\displaystyle ^{ 17 }{ O }$?<br/>
Question 9 :
Who is given credit for coming up with the "plum pudding" model of the atom?
Question 12 :
State the approximate voltage V$_1$ used to heat the filament in a cathode ray tube.
Question 15 :
A coil in the shape of an equilateral triangle of side 0.02 m is suspended plane between the pole pieces of permanent magnet producing a uniform field of $5 \times 10^{-2}$ T. If a current of 0.1 A is passed through the coil, the couple acting is
Question 20 :
The electric field intensity at a point near and outside the surface of a charged conductor of any shape is '${ E }_{ 1 }$'. The electric field intensity due to uniformly charged infinite thin plane sheet is '${ E }_{ 2 }$'. The relation between '${ E }_{ 1 }$' and '${ E }_{ 2 }$' is :
Question 21 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Two spheres of equal mass A and B are given $+q$ and $-q$ charge respectively then:</p>
Question 22 :
The force acting between two point charges kept at a certain distance is $5$N. Now the magnitudes of charges are doubled and distance between them is halved, the force acting between them is _________ N.
Question 23 :
$\displaystyle P=\frac { { V }^{ 2 } }{ R }$ is applied when
Question 24 :
Between any two points in a circuit, the sum of all .............. is the same through any pathway.<br>
Question 25 :
Your are given three equal resistances. In how many combinations can they be arranged?