Answer:
C is the best answer because we all know that clock is part of our daily lives but we don't know the about its background
Convection, because it is the process of heat transfer from one location to the next by the movement of fluids. The moving fluid carries energy within it.
Answer:
the primary coil current produces a magnetic field, which changes as the current changes. the iron core increases the strength of the magnetic field. the changing magnetic field induces a changing potential difference (voltage) in the secondary coil.
TRUE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
