MCQ
Earth's electric potential is considered:
- Apositive
- Bnegative
- ✓zero
- D1000 Volts
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In a P-type semiconductor
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(a) Current is mainly carried by holes |
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(b) Current is mainly carried by electrons |
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(c) The material is always positively charged |
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(d) Doping is done by pentavalent material |