The thickest pin in an electrical plug corresponds to ___ pin.
An appliance has three wires of colours red, black and green, and is connected to a three pin plug. The thickest pin is connected to which wire?
pins suspended from the same magnet to their maximum limit in two different cases(pin a are more than pin b). State with a reason whether the set of pins A or the set of pins B are made out of soft iron. Also define the magnetic process which enables us to suspend the pins one below the other.
What are the pins X, Y, and Z made up of?