A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
  • A
    increases
  • B
    decreases
  • C
    Remains unchanged
  • D
    becomes infinite
AIEEE 2003, Easy
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    Six charges $+ q ,- q ,+ q ,- q ,+ q$ and $- q$ are fixed at the corners of a hexagon of side $d$ as shown in the figure. The work done in bringing a charge $q _0$ to the centre of the hexagon from infinity is :$\left(\varepsilon_0-\right.$ permittivity of free space)
    View Solution
  • 2
    Three capacitors each of $6\,\mu F$ are available. The minimum and maximum capacitances which may be obtained are
    View Solution
  • 3
    The potential at a point $P$ due to an electric dipole is $1.8\times 10^5\,V$ . If $P$ is at a distance of $50\,cm$ apart from the centre $O$ of the dipole and if $CP$ makes an angle $60^o$ with the positive side of the axial line of the dipole, what is the moment of the dipole?
    View Solution
  • 4
    A parallel plate capacitor after charging is kept connected to a battery and the plates are pulled apart with the help of insulating handles. Now which of the following quantities will decrease?
    View Solution
  • 5
    Four capacitors are connected in a circuit as shown in the figure. The effective capacitance in $\mu F$ between points $A$ and $B$ will be
    View Solution
  • 6
    In Millikan's experiment, an oil drop having charge $q$ gets stationary on applying a potential difference $V$ in between two plates separated by a distance $d$. The weight of the drop is
    View Solution
  • 7
    In the circuit below $C_1=20 \,\mu F , C_2=40 \,\mu F$ and $C_3=50 \,\mu F$. If no capacitor can sustain more than $50 \,V$, then maximum potential difference between $X$ and $Y$ is .......... $V$
    View Solution
  • 8
    As shown in the figure, two parallel plate capacitors having equal plate area of $200\,cm ^2$ are joined in such a way that $a \neq b$. The equivalent capacitance of the combination is $x \varepsilon_0 F$. The value of $x$ is $..........$.
    View Solution
  • 9
    Two charged particles of masses $m$ and $2m$ have charges $+2q$ and $+q$ respectively. They are kept in uniform electric field and allowed to move for some time. The ratio of their kinetic energies will be
    View Solution
  • 10
    A thin-walled, spherical conducting shell $S$ of radius $R$ is given charge $Q$. The same amount of charge is also placed at its centre $C. $ Which of the following statements are correct ? 
    View Solution