What happens to an electric current produced from an electromagnet when the direction of the magnetic field changes?
a
the current stops.
b.
the current increases.
c.
the direction of the electric current changes
the current decreases.
d.
e
the direction of the electric current stays the same.
reset
net

a.   mass number from atomic number

i don't understand. explain it clearly

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me