Which device converts electric energy into mechanical energy? O A. An electromagnet
O B. A motor
O C. A transformer
O D. A generator

Could someone . i have tried to solve myself but my calculation is off

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two