20.6c Induced emf in Constant Speed Coil | A2 Magnetic Induction | CAIE A Level 9702 Physics
Автор: ETphysics
Загружено: 2021-02-02
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Описание:
Case 3: What happens when a coil passes an area with Magnetic Flux? How do we apply Faraday & Lenz's law here? When a closed loop enters or exits a uniform B-field a change in flux induced emf/current in coil!
00:00 Intro and Setup
02:20 Coil enters magnetic field
11:30 Coil exits magnetic field
16:30 External force needed to maintain constant v
24:43 If no external force to push coil?
26:39 Equation to Calculate Average induced emf
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• Ch20 Magnetic Induction (Part 2) | CAIE 97...
Practice Past Year Questions
starred Q's are in example videos
ON10 P43 Q5 (pg5) Straight Conductor*
ON12 P43 Q5 (pg9) Probe replaced by coil
ON13 P43 Q5 (pg12) Window & Earth’s magnetic field.*
MJ15 P42 Q7a (pg14) Explain energy transfer.
ON15 P43 Q6 (pg14) Parallel Wire & iron core insert
FM16 P4 Q10 (pg15) Non-uniform B-field*
MJ16 P41 Q10b (pg16) Explain Falling magnet in tube.*
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