Alternating Current - Result Question 42
44. Eddy currents are produced when
[1988]
(a) a metal is kept in varying magnetic field
(b) a metal is kept in steady magnetic field
(c) a circular coil is placed in a magnetic field
(d) through a circular coil, current is passed
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Answer:
Correct Answer: 44. (a)
Solution:
- (a) Eddy currents are produced when a metal is kept in a varying magnetic field.