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.
S=Vt
110=V(72)
110/72=V
V=1.527m/s
Answer:
zero times greater
Explanation:
Coffee's pH level is 5
Pure water's pH level is 7
