Download App
In the given circuit diagram when the current reaches steady state in the circuit, the charge on the capacitor of capacitance $C$ will be
  • A$CE$
  • B$CE$$\;\frac{{\;{r_1}}}{{\left( {{r_2} + r} \right)}}$
  • C$CE$$\;\frac{{\;{r_2}}}{{\left( {r + {r_2}} \right)}}$
  • D$CE$$\;\frac{{\;{r_1}}}{{\left( {{r_1} + r} \right)}}$
JEE MAIN 2017, 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
    Voltmeter reads potential difference across the terminals of an old battery as $1.2\,volt$ , while a potentiometer reads $1.4\,volt$ . The internal resistance of battery is $40\,\Omega $ , then voltmeter resistance is .............. $\Omega$
    View Solution
  • 2
    In the fig. shown for given values of $R_1$ and $R_2$ the balance point for jockey is at $40\, cm$ from $A$. When $R_2$ is shunted by a resistance of $10\,\Omega $, balance shifts to $50\, cm. R_1$ and $R_2$ are $(AB = 1\,m)$
    View Solution
  • 3
    Given below are two statements:

    Statement $I$ : A uniform wire of resistance $80\,\Omega$ is cut into four equal parts. These parts are now connected in parallel. The equivalent resistance of the combination will be $5\,\Omega$.

    Statement $II :$ Two resistance $2\,R$ and $3\,R$ are connected in parallel in a electric circuit. The value of thermal energy developed in $3\,R$ and $2\,R$ will be in the ratio $3:2.$

    In the light of the above statements, choose the most appropriate answer from the options given below

    View Solution
  • 4
    The charge flowing through a resistance $R$ varies with time according to $Q = at -bt^2.$ The total heat produced in $R$ is : (assume that direction of current not reversed)
    View Solution
  • 5
    A battery of $e.m.f.$ $3\, volt$ and internal resistance $1.0\, ohm$ is connected in series with copper voltameter. The current flowing in the circuit is $1.5\, amperes$. The resistance of voltameter will be ........... $ohm$
    View Solution
  • 6
    A potential difference of $10 \,V$ is applied across a conductor of $1000 \,\Omega$. The number of electrons flowing through the conductor in $300 \,s$ is ..........
    View Solution
  • 7
    In the following circuit diagram, $E = 4\,V, r = 1\,\Omega$ and $R = 45\, \Omega$, then  reading of the ammeter $A$ will be
    View Solution
  • 8
    In the following Wheatstone bridge $P/Q = R/S$. If key $K$ is closed, then the galvanometer will show deflection
    View Solution
  • 9
    A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistance become respectively
    View Solution
  • 10
    A potential $V_0$ is applied across a uniform wire of resistance $R$. The power dissipation is $P_1$. The wire is then cut into two equal halves and a potential of $V _0$ is applied across the length of each half. The total power dissipation across two wires is $P_2$. The ratio $P_2: P_1$ is $\sqrt{x}: 1$. The value of $x$ is $.............$.
    View Solution