$A$ thermistor is usually made of......

  • A
    Metals with a low temperature coefficient of resistivity
  • B
    Metals with a high temperature coefficient of resistivity
  • C
    Metal oxides with a high temperature coefficient of resistivity
  • D
    Semiconducting materials with a low temperature coefficient of resistivity

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Similar Questions

The voltage-current characteristic of a diode during forward bias is given by $I = 7.8 \times 10^{-5} e^{6.5 V_D}$, where $I$ is the current in $mA$ and $V_D$ is the diode voltage in $V$. Find the dynamic resistance of the diode in $\Omega$, when the current is $4 \ mA$.

Which one of the diodes given below is reverse biased?

If the internal resistance of the cell is negligible,then the current flowing through the circuit is: (in $A$)

In the case of forward biasing of a $PN-$junction,which one of the following figures correctly depicts the direction of flow of carriers?

$A$ semiconductor is damaged by a strong current due to:

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