Class 4 (4th Engineer) MET 📅 Jan 2023

Exam Question

(a) Briefly explain Static Induction and dynamic Induction. (6)

(b) A coil of 250 turns is wound uniformly over a wooden ring of mean circumference 500mm and uniform cross-sectional area of 400mm2. If the current passed through the coil is 4A find (10)

(i) the magnetising force

(ii) the total flux.

Reference Answer

### Part (a): Static and Dynamic Induction
This question addresses the fundamental principles of electromagnetic induction as described by Faraday's Law. The key distinction lies in the relative motion between the conductor and the magnetic field.
#### 1. Statically Induced EMF (Electromotive Force)
**Principle:**

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