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प्रश्न
What does an impurity amount of one part per million (ppm) mean?
पर्याय
One host atom per one million impurity atoms
One impurity atom per one million atoms of the host
One impurity atom per one million free electrons
One hole per one million donor atoms
MCQ
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उत्तर
The amount of impurities can be expressed as parts per million (ppm). One ppm means one impurity atom per one million atoms of the host.
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