A network of four resistances is connected to $9\,V$ battery, as shown in figure. The magnitude of voltage difference between the points $A$ and $B$ is .......... $V.$
  • A$3$
  • B$6$
  • C$9$
  • D$12$
JEE MAIN 2023, 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.*

Similar Questions

  • 1
    The ammeter reading in the circuit below is .............. $A$
    View Solution
  • 2
    A resistance $R = 12\, \Omega$ is connected across a source of emf as shown in the figure . Its $emf$ changes with time as shown in the graph . What is the heat developed in the resistance in the first four seconds ? ............. $J$
    View Solution
  • 3
    In the given figure the current through $4\,\Omega$ resistor is .................. $\mathrm{A}$
    View Solution
  • 4
    A potentiometer wire, $10\,m$ long, has a resistance of $40\,\Omega $. It is connected in series with a resistance box and a $2\,V$ storage cell. If the potential gradient along the wire is $0.1\,m\,V/cm$, the resistance unplugged in the box is .............. $\Omega$
    View Solution
  • 5
    The total power dissipated in watts in the circuit shown is ............. $W$
    View Solution
  • 6
    In the given circuit the current flowing through the resisitance $20$ $\mathrm{ohms}$ is $0.3$ $\mathrm{ampere}$ while the ammeter reads $0.8$ $\mathrm{ampere}.$ What is the value of $R_1$? ................ $\mathrm{ohm}$
    View Solution
  • 7
    When current flows through a conductor, then the order of drift velocity of electrons will be
    View Solution
  • 8
    The given figure represents an arrangement of potentiometer for the calculation of internal resistance $(r)$ of the unknown battery $(E)$. The balance length is $70.0\, cm$ with the key opened and $60.0\,cm$ with the key closed. $R$ is $132.40 \Omega $. The internal resistance $(r)$ of the unknown cell will be.......$\Omega$ (Given $E_o > E$) :-
    View Solution
  • 9
    In the figure, the potentiometer wire $AB$ of length $L$ and resistance $9r$ is joined to the cell $D$ of $\mathrm{emf}$ $\varepsilon$ and internal resistance $r$. The cell $C’s$ $\mathrm{emf}$ is $\varepsilon /2$ and its internal resistance is $2r$. The galvanometer $G$ will show no deflection when the length $AJ$ is
    View Solution
  • 10
    A Daniel cell is balanced on $125\,cm$ length of a potentiometer wire. Now the cell is short-circuited by a resistance $2\, ohm$ and the balance is obtained at $100\,cm$. The internal resistance of the Daniel cell is .............. $ohm$
    View Solution