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Physics

Chapter 4 - Alternating Current AC Circuits

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Chapter 5 - Dual Nature of Wave and Particle

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Chapter 6 - Atomic Spectra and X-Rays

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Chapter 7 - Lasers and Principles

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Chapter 8 - Modern Electronics and Semiconductors

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Quiz

Lesson 1: Intrinsic and Doped Semiconductors, the p-n Junction and Transistors — Picture questions (exam style)

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1.
Which statement is NOT correct? (see figure)
Which statement is NOT correct? (see figure)
collector current is much larger than base current
donor atoms are pentavalent
acceptor atoms are pentavalent
reverse bias widens the depletion region
2.
Which lamp(s) light in the circuit shown?
Which lamp(s) light in the circuit shown?
L₂ only
both L₁ and L₂
neither
L₁ only
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