Question 1 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">In a parallel plate condenser if the distance between the plates is made half and the dielectric constant is doubled, then the capacity increases by a factor:</p>
Question 2 :
A capacitor is a passive electronic component that stores energy in the form of an electrostatic field.
Question 4 :
A parallel plate air condenser consists of two circular plates of diameter 8 cm. At what distance should the plates be placed so as to have the same capacity as that of a sphere of diameter 20 cm ?
Question 5 :
The capacity of an isolated conducting sphere of radius $R$ is proportional to :
Question 6 :
When a positive <img style='object-fit:contain' width=8 height=20 src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ea1838a1ac76a0b860fd4b7"> charge is taken from lower potential to a higher potential point, then its potential energy will
Question 7 :
1000 drops ofwater each of radius r and charged to a potential V coalesce together to form a big drop. The potential of big drop will be
Question 8 :
If a dielectric substance is introduced between the plates of a charged air-gap capacitor. The energy of the capacitor will
Question 9 :
Capacitance (in F) of a spherical conductor with radius 1 m is
Question 10 :
The capacitance of cylindrical capacitors depends upon length $L$ of capacitor as-<br>
Question 11 :
The capacitance of an isolated conducting sphere of radius $R$ is proportional to
Question 12 :
Fill in the blank.<br>Capacitance depends on the _______ constant of the substance separating the plates
Question 13 :
A capacitor is connected to a battery of voltage $V$. Now a di-electric slab of di-electric constant $k$ is completely inserted between the plates, then the final charge on the capacitor will be: (If initial charge is $q_{0}$).<br>
Question 14 :
For a cylindrical geometry like a coaxial cable, the capacitance is usually stated as a capacitance per _____.
Question 17 :
Two parallel plate air capacitors have the same separation. The plates of the first are squares of side 10 cm. The plates of the second are squares of side 20 cm. The ratio of their capacitance is :
Question 18 :
The 90 pF capacitor is connected to a 12 V battery. How many electrons are transferred from one plate to another?
Question 19 :
A parallel plate air capacitor is charged and then isolated. When a dielectric material is inserted between the plates of the capacitor, then which of the following does not change
Question 20 :
The capacitance of an air filled parallel plate capacitor is $10\times {10}^{-12}F$. The separation between the plates is doubled and the space between the plates is then filled with wax giving the capacitance a new value of $40\times {10}^{-12}F$. The dielectric constant of wax is: