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Q.

Semiconductor is damaged by the strong current due to

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a

Lack of free electrons

b

Excess of electrons

c

Excess of protons

d

None of these

answer is B.

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Detailed Solution

When  a  strong  current  passes  through  the semiconductor,  it heats up the crystal and covalent bonds are broken .  Hence, because of excess number of free electrons it behaves like a conductor.

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