Answer:
i can't click the answer bottom but the answer is "17th to 18th century" i hope this helps
Yes. It means that the acceleration increases at a constant rate, for example 3 mph every second.
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.
