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A semiconducting device is connected in ...

A semiconducting device is connected in a series circuit with a battery and a resistance.A current is found to pass through the circuit .If the polarity of the battery is reversed, the current drops to almost zero.The device may be

A

A `P`-type semiconductor

B

An `N`-type semiconductor

C

A `P-N` juction

D

An intrinsic semiconductor

Text Solution

Verified by Experts

The correct Answer is:
C
When `PN` junction is reverse-biased, there is practically no flow of current.
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Knowledge Check

  • In the given circuit the current through the battery is

    A
    0.5 A
    B
    `1A`
    C
    1.5 A
    D
    `2A`

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    D
    `5.33A`

  • In the given circuit The current through the battery is

    A
    `0.5A`
    B
    `1A`
    C
    `1.5A`
    D
    `2A`

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