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Question

When a diode is heavily doped -

A
Depletion region will be wide.
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B
Depletion region will be very thin.
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C
Diode material will be positively charged.
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D
Avalanche voltage will be high.
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Solution

The correct option is B Depletion region will be very thin.
In a heavily doped p-n junction diode, depletion layer will be thin. Diode material is always neutral. The breakdowns occur at relatively lower potential.

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