Practice question · Select all that apply
Which can cause an induced EMF in a loop?
Hints
- Flux is a product of field, area and orientation.
- Changing any one of the three is enough.
Show the answer
- A. Rotating the loop in a uniform B
- B. Changing the magnetic field strength
- D. Changing the area of the loop
Why
EMF requires a change in flux ; any variable can change.
Practise Electromagnetic Induction and Faraday's Law
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