Physics Form IV - Test

physics test 6 -[Form iV]

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1 ...... is type of semi-conductor which is pure enough and impurities do not have significantly affects its electrical behaviour

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b. intrinsic - CORRECT!

A. extrinsic

B. intrinsic

C. dopant

D. valence band

2...... is the additional of impurities to the material so as can conduct electricity

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c. doping - CORRECT!

A. dopants

B. doper

C. doping

D. vacuum

3. it is formed when n-type doping is done ........

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c. n-type semiconductor - CORRECT!

A. p-type semiconductor

B. semiconductor

C. n-type semiconductor

D. carriers

4....... is region where the two types of semiconductors meet.

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d. junction - CORRECT!

A. p-type

B. conductor

C. depleting layer

D. junction

5...... it occurs when p-type and n-type of p-n junction is connected to positive terminal and negative terminal respectively

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a. forward bias - CORRECT!

A. forward bias

B. p-n bias

C. reverse bias

D. connector

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