The heat produced by a $100\, watt$ heater in $2$ minute will be equal to
Easy
Download our app for free and get startedPlay store
(a) Energy $ = P \times t = 100 \times 2 \times 60 = 12000\,J = 12 \times {10^3}J$
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
    In the circuit shown in figure, the resistance of voltmeter is $6\, k\Omega $. The voltmeter reading will be ................. $\mathrm{V}$
    View Solution
  • 2
    In the adjacent shown circuit, a voltmeter of internal resistance $R$, when connected across $B$ and $C$ reads $\frac{{100}}{3}\,V$. Neglecting the internal resistance of the battery, the value of $R$ is ................. $k  \Omega$
    View Solution
  • 3
    Circuit shown is in steady state, now when switch is closed, galvanometer shows no deflection, then correct relation is
    View Solution
  • 4
    In the circuit shown, the cell is ideal, with $emf$ $=$ $15$ $V$. Each resistance is of $3 $ $\Omega$ . The potential difference across the capacitor is.....$V$
    View Solution
  • 5
    A uniform metallic wire has a resistance of $18\,\Omega $ and is bent into an equilateral triangle. Then, the resistance between any two vertices of the triangle is .................. $\Omega$
    View Solution
  • 6
    $4$ bulbs marked $40\, W$, $250\, V$ are connected in series with $250\, V$ mains. The total power is ............. $W$
    View Solution
  • 7
    The current flowing in the given circuit is $0.1\,A$ . The potential difference between the points $X$ and $Y$ is ................ $\mathrm{V}$
    View Solution
  • 8
    Specific resistance of a conductor increases with
    View Solution
  • 9
    The variation of current $(I)$ and voltage $(V)$ is as shown in figure $A$. The variation of power $P$ with current $I$ is best shown by which of the following graph
    View Solution
  • 10
    The Kirchhooff's first law $\left(\sum i=0\right)$ and second law ( $\left.\sum i R=\sum E\right)$, where the symbols have their usual meanings, are respectively based on
    View Solution