Which of the following statement is false
  • A
    Heat produced in a conductor is proportional to its resistance
  • B
    Heat produced in a conductor is proportional to the square of the current
  • C
    Heat produced in a conductor is proportional to charge
  • D
    Heat produced in a conductor is proportional to the time for which current is passed
Easy
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 wires of equal diameters, of resistivities ${\rho _1}$ and ${\rho _2}$ and lengths $l_1$ and $l_2$, respectively, are joined in series. The equivalent resistivity of the combination is
    View Solution
  • 2
    In the circuit shown below the resistance of the galvanometer is $20\, \Omega$ . In which case of the following alternatives are the currents arranged strictly in the decreasing order
    View Solution
  • 3
    A $5\;ampere$ fuse wire can withstand a maximum power of $1\; watt$ in the circuit. The resistance of the fuse wire is
    View Solution
  • 4
    A potentiometer is used for the comparison of $e.m.f.$ of two cells ${E_1}$ and ${E_2}$. For cell ${E_1}$ the no deflection point is obtained at $20\,cm$ and for ${E_2}$ the no deflection point is obtained at $30\,cm$. The ratio of their $e.m.f.$'s will be
    View Solution
  • 5
    In the circuit diagram of figure, $E = 5\, volt, r = 1\, \Omega ,$$ R_2 = 4\, \Omega , R_1 = R_3 = 1 \Omega$ and $C = 3\, μF.$ Then the magnitude of the charge on each capacitor plate is......$\mu C$
    View Solution
  • 6
    The number of electrons flowing per second in the filament of a $110 \mathrm{~W}$ bulb operating at $220 \mathrm{~V}$ is : (Given $\mathrm{e}=1.6 \times 10^{-19} \mathrm{C}$ )
    View Solution
  • 7
    The following four wires are made of the same material and are at the same temperature. Which one of them has highest electrical resistance
    View Solution
  • 8
    A piece of wire is cut into four equal parts and the pieces are bundled together side by side to form a thicker wire. Compared with that of the original wire, the resistance of the bundle is ..........
    View Solution
  • 9
    Diagram shows a circuit diagram choose incorrect statement
    View Solution
  • 10
    Ametallic conductor of irregular cross-section is as shown in the figure. Aconstant potential difference is applied across the ends $(1)$ and $(2)$. Then :
    View Solution