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.

A metal plate can be heated by (a) passing either a direct or altern

1.	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» PASSING EITHER a direct or ALTERNATING current through the PLATE.

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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.

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