The total power dissipated in watts in the circuit shown is ............. $W$
  • A$4$
  • B$16$
  • C$40$
  • D$54$
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
    A carbon resistance has a following colour code. What is the value of the resistance?
    View Solution
  • 2
    If all the resistors shown have the value $2\, ohm$ each, the equivalent resistance over $AB$ is
    View Solution
  • 3
    Twelve wires each having resistance $2 \Omega$ are joined to form a cube. A battery of $6 \mathrm{~V}$ emf is joined across point $\mathrm{a}$ and $\mathrm{c}$. The voltage difference between $e$ and $f$ is.______.V.
    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
    In the given circuit diagram when the current reaches steady state in the circuit, the charge on the capacitor of capacitance $C$ will be
    View Solution
  • 6
    In the circuit shown below, the current that flows from $a$ to $b$ when the switch $S$ is closed ............... $A$
    View Solution
  • 7
    If a wire is stretched to make it $0.1 \%$ longer, its resistance will
    View Solution
  • 8
    Circuit for the measurement of resistance by potentiometer is shown. The galvanometer is first connected at point $A$ and zero deflection is observed at length $P J = 10\ cm$ . In second case it is connected at point $C$ and zero deflection is observed at a length $30\ cm$ from $P$ . Then the unknown resistance $X$ is
    View Solution
  • 9
    If the length of the filament of a heater is reduced by $10\%$, the power of the heater will
    View Solution
  • 10
    A source of $e.m.f.$  $E = 15\,V$ and having negligible internal resistance is connected to a variable resistance so that the current in the circuit increases with time as $i = 1.2 t + 3$. Then, the total charge that will flow in first five second will be ............... $C$
    View Solution