Question

physics electronics mcqs

Answer 1

Answer:

1. Electrons present in p-type material due to thermal pair generation are

A. Majority carriers

B. Minority carriers

C. Dual carriers

D. Blockers

2. Semi-conductors with donor atoms and free electrons belong to the type

A. N

B. P

C. Mix

D. Any of above

3. Semi-conductor germanium and silicon are

A. Pentavalent

B. Trivalent

C. Divalent

D. Tetravalent

4. Acceptor and donor impurities donate

A. N-carriers only

B. P-carriers only

C. P-carriers and n-carriers respectively

D. N-carriers and p-carriers respectively

5. P-N junction when reversed biased acts as a

A. Capacitor

B. Inductor

C. On switch

D. Off switch

Answer 2

Explanation:

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