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If potential difference is applied the v...

If potential difference is applied the value of electric current

A

becomes infinite for an insulator kept at 0 K

B

becomes zero for a semiconductor kept 0 K

C

becomes finite for a metal kept at 0 K

D

becomes infinite in a forward biased p-n junction diode kept at 300 K

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Across a metallic conductor of non-uniform cross section a constant potential difference is applied.The quantity which remains constant along the conductor is

    A
    current density
    B
    current
    C
    drift velocity
    D
    electric field

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    A
    `mu_0I = epsilon V^2`
    B
    `epsilon_0I= mu_0V^2`
    C
    `I = epsilon_0cV`
    D
    `mu_0cI = epsilon_0V`

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