In the circuit, the potential difference across $PQ$ will be nearest to .............. $V$
  • A$9.6$
  • B$6.6$
  • C$4.8$
  • D$3.2 $
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
    Two batteries of different $e.m.f.'s$ and internal resistance connected in series with each other and with an external load resistor. The current is $3.0 \,A$. When the polarity of one battery is reversed, the current becomes $1.0 \,A$. The ratio of the $e.m.f.'s$ of the two batteries is ............
    View Solution
  • 2
    In a potentiometer, the null point is received at $7^{th}$ wire. If now we have to change the null point at $9^{th}$ wire, what should we do ?
    View Solution
  • 3
    A wire of radius $r$ has resistance $R$. If it is stretched to a radius of $\frac{{3r}}{4}$, its resistance becomes
    View Solution
  • 4
    The length of a given cylindrical wire is increased by $100 \%$. Due to the consequent decrease in diameter the change in the resistance of the wire will be .................. $\%$
    View Solution
  • 5
    $20\,\mu A$ current flows for $30$ seconds in a wire, transfer of charge will be
    View Solution
  • 6
    Consider the ladder network shown in figure. What should be the value of resistance $R$, so that effective resistance between $A$ and $B$ becomes independent of number of elements in the combination is ............. $\Omega$
    View Solution
  • 7
    The reading of voltmeter in the circuit shown is ............. $V$
    View Solution
  • 8
    Wheat stone bridge is balanced. Find ratio of electric power dissipated in $(P + Q)$ to $(R + S)$
    View Solution
  • 9
    A capacitor of capacitance $5\,\mu F$ is connected to a source of constant $emf$ of $200\,V$ for a long time, then the switch was shifted to contact $2$ from contact $1$ . The total amount of heat generated in the $500\,\Omega $ resistance, thereafter is
    View Solution
  • 10
    $I-V$ characteristic of a copper wire of length $L$ and area of cross-section $A$  is shown in figure. The slope of the curve becomes
    View Solution