MCQ
Eddy currents are induced when
- ✓A metal block is kept in a changing magnetic field
- BA metal block is kept in a uniform magnetic field
- CA coil is kept in a uniform magnetic field
- DCurrent is passed in a coil
✓
Answer
Correct option: A.
A metal block is kept in a changing magnetic field
a
(a)
(a)
Eddy can be created when a conductor is moving through a magnetic field, or when the magnetic field surrounding a stationary conductor is varying.
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