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A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.

Question: A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.
[A].

lack of free

[B].

excess of

[C].

decrease in

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.