As the temperature increases,the electrical resistance:

  • A
    decreases for both conductors and semiconductors
  • B
    increases for conductors but decreases for semiconductors
  • C
    decreases for conductors but increases for semiconductors
  • D
    increases for both conductors and semiconductors

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Similar Questions

$A$ wire of length $5\,m$ and radius $1\,mm$ has a resistance of $1\,\Omega$. What length of the wire of the same material at the same temperature and of radius $2\,mm$ will also have a resistance of $1\,\Omega$?

The resistance of a wire is $10\,\Omega$. Its length is increased by $10\%$ by stretching. The new resistance will now be .......... $\Omega$.

For a metallic wire,the ratio of voltage to corresponding current is

The length of a given cylindrical wire is increased to double of its original length. The percentage increase in the resistance of the wire will be..... $\%$.

$A$ conductor has resistance values of $2.71 \ \Omega$ and $3.70 \ \Omega$ at $10^{\circ}C$ and $100^{\circ}C$ respectively. The temperature at which the resistance is $3.26 \ \Omega$ is .......... $^{\circ}C$.

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