An electric toaster has resistance of $60\  \Omega$ at room temperature $\left(27^{\circ} \mathrm{C}\right)$. The toaster is connected to a $220 \mathrm{~V}$ supply. If the current flowing through it reaches $2.75 \mathrm{~A}$, the temperature attained by toaster is around : (if $\alpha=2 \times 10^{-4} /{ }^{\circ} \mathrm{C}$ )
  • A $694^{\circ} \mathrm{C}$
  • B$1235^{\circ} \mathrm{C}$
  • C $1694^{\circ} \mathrm{C}$
  • D$1667^{\circ} \mathrm{C}$
JEE MAIN 2024, Diffcult
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 current of two amperes is flowing through a cell of $e.m.f.$ $5\, volts$ and internal resistance $0.5\, ohm$ from negative to positive electrode. If the potential of negative electrode is $10\,V$, the potential of positive electrode will be .............. $V$
    View Solution
  • 2
    Assertion : A current continues to flow in superconducting coil even after switch is off.

    Reason : Superconducting coils show Meissner effect

    View Solution
  • 3
    In the given figure, when key $A$ is opened, the reading of the ammeter $A$ will be ........... $A$
    View Solution
  • 4
    A part of circuit is shown in figure. All the ammeters are ideal. If reading of ammeter $A_1$ is $1.0\ A$ , then
    View Solution
  • 5
    A $200\,\Omega $ resistor has a certain color code. If one replaces the red color by green in the code, the new resistance will be .............. $\Omega$
    View Solution
  • 6
    If power dissipated in the $9 \,\Omega$ resistor in the circuit shown is $36\,W$, the potential difference across the $2 \,\Omega$ resistor is .......... $V$
    View Solution
  • 7
    In the figure a carbon resistor has bands of different colours on its body as mentioned in the figure. The value of the resistance is ................. $k \Omega$
    View Solution
  • 8
    For the given circuit the current through battery of $6\,V$ just after closing the switch ' $S$ ' will be$.......A$.
    View Solution
  • 9
    In steady state the potential difference across the capacitor is $10\,\, V.$ Each resistance is of $3\,\Omega $. The cell is ideal. The $emf$ of the cell is .............. $\mathrm{V}$
    View Solution
  • 10
    In the circuit shown, the reading of the Ammeter is doubled after the switch is closed. Each resistor has a resistance $1\,\Omega$ and the ideal cell has an $e.m.f.$ $10\,V$. Then, the Ammeter has a coil resistance equal to ............ $\Omega$
    View Solution