Physics
Name two factors on which the strength of magnetic field of an electromagnet depends.
Related Questions
Draw a labelled diagram to make a soft iron bar as an electromagnet. Describe in steps the procedure.
You are given a U-shaped soft iron piece, insulated copper wire and a battery. Draw a circuit diagram to make a horse shoe electromagnet.
State two ways by which the strength of magnetic field of an electromagnet can be increased.
State two common uses of electromagnets.