If a coil made of conducting wires is rotated between poles pieces of the permanent magnet. The motion will generate a current and this device is called
A. An electric motor
B. An electric generator
C. An electromagnet
D. All of the above
Answer:B
If a coil made of conducting wires is rotated between poles pieces of the permanent magnet. The motion will generate a current and this device is called
A. An electric motor B. An electric generator C. An electromagnet D. All of the above