The current in a metallic conductor is plotted against voltage at two different temperatures $T_1$ and $T_2$. Which is correct
  • A$T_1 > T_2$
  • B$T_1 < T_2$
  • C$T_1 = T_2$
  • D
    none
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
    Which of the following graph represents the variation of resistivity ( $\rho$ ) with temperature $(T)$ for copper $?$
    View Solution
  • 2
    The resistances in $WSB$ circuit shown in the diagram all are different and the current through the galvanometer is zero. If all thermal effects are negligible, the current through the galvanometer will not be zero, when
    View Solution
  • 3
    In the circuit shown below $E_1\, =4.0\, V$, $R_1\, = 2\,\Omega$, $E_2\, = 6.0\, V$, $R_2\, = 4\,\Omega$ and $R_3\, = 2\,\Omega$. The current $I_1$ is ............... $\mathrm{A}$
    View Solution
  • 4
    Assertion : All electric devices shown in the circuit are ideal. The reading of each of ammeter $(a)$ and voltmeter $(V)$ is zero.

    Reason : An ideal voltmeter draws almost no current due to very large resistance, and hence $(V)$ and $(a)$ will read zero.

    View Solution
  • 5
    The mechanism of the heat produced in a conductor when an electric current flows through it, can be explained on the basis of
    View Solution
  • 6
    Find the charge on the capacitor $C$ in the following circuit ............. $\mu C$
    View Solution
  • 7
    The current in the given circuit is ............ $A$
    View Solution
  • 8
    Which of the following statements is false?
    View Solution
  • 9
    The terminal voltage across a battery of $\mathrm{emf}$ $E$ can be
    View Solution
  • 10
    A battery of $e.m.f.$ $E$ and internal resistance $r$ is connected to a variable resistor $R$ as shown here. Which one of the following is true
    View Solution