Identify the incorrect statement.
(A) Power meters work on the principle of Eddy currents.
(B) Induction furnace uses eddy currents to produce heat.
(C) Eddy currents can be used to produce braking force in moving trains.
(D) Eddy currents are produced in a steady magnetic field.
Choose the correct answer from the options given below :
(
This question was previously asked in
Shift 05/06/2023 3:30 PM - 6:30 PM
A
(A), (B) and (D) only
B
(B), (C) and (D) only
C
(A) only
D
(D) only
Correct Answer
(D) only
Detailed Explanation
The incorrect statement is:
(D) Eddy currents are produced in a steady magnetic field.
Eddy currents are not produced in a steady magnetic field. They are generated when a conductor is exposed to a changing magnetic field, not a constant or steady magnetic field.
So, the correct answer is:
(4) (D) only
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