How many modulations are possible for a sinusoidal carrier wave?
Correct answer: C. Three
- A. One
- B. Two
- C. Three
- D. Four
Explanation
Only 3 modulations are possible. Amplitude Modulation, Frequency Modulation and Phase Modulation.
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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