Logga in
WAEC - Physics (2016 - No. 43)
What determines the polarity at the ends of an electromagnet? The
magnitude of the current passing through the wire
material of the core of the magnet
material of the coil
direction of current in the wire
Kommentarer (0)
Logga in för att kommentera
Annons
Tillåt javascript att ladda den här sidan korrekt