Three identical resistances $A$, $B$ and $C$ are connected as shown in the given figure. The heat produced will be maximum
Easy
Download our app for free and get startedPlay store
Resistance of $A$ is greater than the resistance of combination of $B$ and $C$, hence voltage drop across $A$ will be greater than that across $B$ or $C$. Also $H = \frac{{{V^2}t}}{R}$

$ \Rightarrow $ $H \propto {V^2}$ so ${H_A} > ({H_B} = {H_C})$ ($R$ = constant)

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
    If the current through a resistor in a circuit increases by $3 \%$, then the power dissipated by the resistor
    View Solution
  • 2
    The equivalent resistance between $P$ and $Q$ in the given figure, is ............... $\Omega$
    View Solution
  • 3
    The current flowing through $R _2$ is:
    View Solution
  • 4
    Find out current in $3\,\Omega $  resistance in given circuit
    View Solution
  • 5
    Two electric bulbs rated ${P_1}\,watt$  $V\, volts$ and ${P_2}\, watt$ $V\, volts$ are connected in parallel and $V\, volts$ are applied to it. The total power will be
    View Solution
  • 6
    The capacitor $C$ is initially without charge.$X$ is now j oined to $Y$ for a long time, during which $H_1$ heat is produced in the resistance $R$. $X-Y$ connection is removed and $X$ is now joined to $Z$ for a long time, during which heat $H_2$ is produced in $R$.
    View Solution
  • 7
    In a Wheatstone bridge (see figure) Resistance $P$ and $Q$ are approximately equal. When $R = 400\,\Omega ,$ the bridge is balanced. On interchanging $P$ and $Q,$ the value of $R,$ for balance is $405\,\Omega .$ The value of $X$ is close to ................. $ohm$
    View Solution
  • 8
    When a resistor of $11 \,\Omega$ is connected in series with an electric cell, the current flowing in it is $0.5\, A$. Instead, when a resistor of $5 \,\Omega$ is connected to the same electric cell in series, the current increases by $0.4\, A$. The internal resistance of the cell is ................ $\Omega$
    View Solution
  • 9
    Resistances are arranged in a cyclic order to form a balanced wheatstone bridge as shown in figure. Ratio of power consumed in the branches $P + Q$ and $R + S$ is
    View Solution
  • 10
    Two electric bulbs whose resistances are in the ratio of $1 : 2$ are connected in parallel to a constant voltage source. The powers dissipated in them have the ratio
    View Solution