Question

A metal plate can be heated by
(a) passing either a direct or alternating current through the plate.
(b) placing in a time varying magnetic field.
(c) placing in a space varying magnetic field, but does not vary with time.
(d) both (a) and (b) are correct.

Answer 1

Answer:

passing either a direct or alternating current through the plate.

Answer 2

(a) passing either a direct or alternating current through the plate.

mark as brillienst answer