Log Masuk
Physics for IGCSE & O level - Magnets And Currents (Section 9 - No. 34)
Which of the following is NOT a part of a basic electromagnet?
A coil of wire.
An iron core.
A power source.
A permanent magnet.
Penjelasan
A permanent magnet is not required
Komen (0)
Log Masuk Untuk Mengulas
Iklan
Benarkan javascript memuatkan halaman ini dengan betul
