Download App
In the given figure each plate of capacitance $C$ has partial value of charge
  • A$CE$
  • B$\frac{{CE{R_1}}}{{{R_2} - r}}$
  • C$\frac{{CE{R_2}}}{{{R_2} + r}}$
  • D$\frac{{CE{R_1}}}{{{R_1} - r}}$
Medium
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.*
Download App

Similar Questions

  • 1
    Four resistances of $15\; \Omega, 12\; \Omega, 4 \;\Omega$ and $10\; \Omega$ respectively in cyclic order to form Wheats tone's network. The resistance that is to be connected in parallel with the resistance of $10\; \Omega$ to balance the network is .................. $\Omega$
    View Solution
  • 2
    A $500\, W$ heating unit is designed to operate from a $115\, volt$ line. If the line voltage drops to $110\, volt$, the percentage drop in heat output will be ............... $\%$
    View Solution
  • 3
    The figure shows a meter-bridge circuit, with $AB = 100\, cm$,$ X = 12\,\Omega$ and $R = 18\,\Omega$ , and the jockey $J$ in the position of balance. If $R$ is now made $8\,\Omega$ , through what distance will $J$ have to be moved to obtain balance? .............. $cm$
    View Solution
  • 4
    For the circuits shown in figures $I$ and $II$, the voltmeter reading would be
    View Solution
  • 5
    Two wires $A$ and $B$ of the same material, having radii in the ratio $1: 2$ carry currents in the ratio $4: 1$. The ratio of drift speed of electrons in $A$ and $B$ is
    View Solution
  • 6
    A potentiometer is an ideal device of measuring potential difference because
    View Solution
  • 7
    A $100\, W \, bulb\, B_1$ and two $60\, W \,bulbs \,B_2$ and $B_3$, are connected to a  $220\, V$ source, as shown in Figure. Now $P_1, P_2$ and $P_3$ are the output powers  of the bulbs $B_1, B_2$ and $B_3$ respectively. Then
    View Solution
  • 8
    The equivalent resistance and potential difference between $A$ and $B$ for the circuit is respectively
    View Solution
  • 9
    A current of $0.1 \,A$ flows through a $25 \,\Omega$ resistor represented by the circuit diagram. The current in $80 \,\Omega$ resistor is ........... $A$
    View Solution
  • 10
    The length of a potentiometer wire is $\ell $.  A cell of emf $E$ is balanced at a length $\ell /3$  from the positive end of the wire. If the length of the wire is increased by $\ell /2$ at what distance will the same cell give a balanced point
    View Solution