The changing electric flux gives rise to:
Correct answer: A. Electromagnetic waves
- A. Electromagnetic waves
- B. Sound waves
- C. Water waves
- D. None of these
Explanation
A changing electric flux can indeed give rise to electromagnetic waves (EMW). According to Maxwell's equations, a time-varying electric field can generate a time-varying magnetic field, and vice versa. This interplay of changing electric and magnetic fields propagates through space in the form of electromagnetic waves. When an electric field changes with respect to time, it induces a changing magnetic field around it, and this dynamic interaction creates a self-propagating wave-electromagnetic waves-carrying energy through space. This phenomenon is the foundation of how electromagnetic waves are generated and propagated.
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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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