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 :

(D) only

The correct answer is Option (4) → (D) only