Answer:
C. An ion with a +2 charge
Explanation:
I guess
A step-down transformer has more loops in : A. Primary coil
Primary coil refers to the coil to which alternating voltage is supplied. It's usually connected to the AC supply
hope this helps
I think through convection I forget. Plus its enclosed (and, well closed)
Hi am not sure but have searched on online
It's mostly used in CHEMICAL PROCESSES.