Question 1 :
If on combining two charged bodies, the current does not flow then :<br/>
Question 2 :
The potential difference between two parallel plates is $10^{4}V$. If the plates are separated by $0.5\ cm$, the force on an electron between the plates is :
Question 3 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">The capacitance of a sphere of radius 10 cm situated in air is approximately</p></span></span>
Question 4 :
The capacitance of an isolated conducting sphere of radius $R$ is proportional to
Question 5 :
A capacitor is a passive electronic component that stores energy in the form of an electrostatic field.
Question 6 :
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 7 :
If the circumference of a sphere is 2m, then capacitance of sphere in water would be 
Question 8 :
Three connected conductors A, B and C have a total charge of 48$\mu V$. The ratio of their capacitance are 1 :3 : 2. The charges on thei individually.<br/>
Question 9 :
A parallel plate capacitor is charged an then disconnected from the charging battery. If the plates are now moved farther apart by pulling at them by means of insulating handles, then
Question 10 :
The capacitance of cylindrical capacitors depends upon length $L$ of capacitor as-<br>
Question 11 :
For a cylindrical geometry like a coaxial cable, the capacitance is usually stated as a capacitance per _____.
Question 12 :
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 13 :
Two capacitor each having a capacitance $C$ and breakdown voltage $V$ are joined in series. The effective capacitance and maximum working voltage of the combination is:-
Question 14 :
<p class="wysiwyg-text-align-left"><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">The charge stored in a capacitor is $20\; \mu C$ and the potential difference across the plates is 500 V. Its capacity is :<br/></span></span></p>
Question 15 :
The capacity of an isolated conducting sphere of radius $R$ is proportional to :
Question 17 :
Fill in the blank.<br>Capacitance depends on the _______ constant of the substance separating the plates
Question 18 :
The capacity between the adjacent plates of a parallel plate capacitor is$10 \mu F$. If we want a capacity of $50 \mu F$, the number of plates to be used is
Question 21 :
Assertion: Charge on all the condensers connected in series is the same.
Reason: Charge present on a capacitor is directly proportional to its capacitance
Question 22 :
The two capacitors $2\mu F$ and $6\mu F$ are put in series, the effective capacity of the system in $\mu F$ is:
Question 23 :
<p class="wysiwyg-text-align-left"><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">A capacitor acquires a potential difference</span></span><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"> of $200\;V$ when $10^{12}$ </span></span>electrons are taken from one plate and placed on the other plate. Its capacitance is:</p>
Question 24 :
A cylindrical capacitor has two co-axial cylinders of length 20 cm and radii 1.5 cm and 1.6 cm. the outer cylinder is earthed and given cylinder is charged with 4 $\mu C$. The capacitance of the system is (neglect end effects)
Question 25 :
A capacitor with capacitance $5\mu F$ is charged to $5\mu C$. If the plates are pulled apart to reduce the capacitance to $2\mu F$, how much work is done:
Question 26 :
Two conducting spheres of radii $r_1$ and $r_2$ are at the same potential. What is the ratio of the charges on them?
Question 27 :
Find the capacitance of a system of two identical metal balls of radius 'a' if the distance between their centers is equal to'.with $b>>a$. The system is located in a uniform dielectric with relative permittivity $\varepsilon$
Question 28 :
Metallic sphere of radius $R$ is charged to potential $V$. then charge $q$ is proportional to:
Question 29 :
<p class="wysiwyg-text-align-left"><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">A capacitor of $30\; \mu F$</span></span><i><span class="wysiwyg-font-size-medium"><span class="wysiwyg-font-size-medium"> </span></span></i><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">charged to $100 \;V$ is connected in parallel to capacitor of $20\; \mu F$ charged to $50\; V$. The common potential is - <br/></span></span></p>
Question 30 :
The magnitude of electric field E in the angular region of a charged cylindrical capacitor
Question 31 :
A parallel plate capacitor has plates of unequal area. The larger plate is connected to the positive terminal of the battery and the smaller plate to its negative terminal. Let $Q_+$ and $Q_-$ be the charges appearing on the positive and negative plates respectively.
Question 32 :
A very thin metal sheet is inserted halfway between the parallel plates of an air-gap capacitor. The sheet is thin compared to the distance between the plates, and it does not touch either plate when fully inserted. The system had capacitance, $C$, before the plate is inserted.<br>What is the equivalent capacitance of the system after the sheet is fully inserted?
Question 33 :
Three capacitors of capacitances 6 µF each are available. The minimum and maximum capacitances, which may be obtained are
Question 34 :
A parallel plate capacitor has an electric field of $105$V /m between the plates .If the charge on one of the capacitor plate is 1$\mu$C,then the magnitude of the force on each capacitor plate is :
Question 35 :
Capacity of an isolated sphere is increased $n$ times when it is enclosed by an earthed concentric sphere. The ratio of their radii is