Is an electric current the flow of nucleons in the circuit ?
1 ampere is a flow of 1 ... per second?
coulomb
watt
joules
the unit of power is joules per second or ..?
power
A soldering iron has a power of 25W. It uses the 230V main supply. What is the current when it is switched on ? P=IV
9.2WV
9.2A
0.11WV
0.11A
