Lionel explores electromagnetic induction using the procedure shown.

1. Move the magnet quickly into the right end of a solenoid.
2. Hold the magnet in the solenoid for 3 s.
3. Move the solenoid slowly to the left away from the magnet.

What should Lionel observe during his investigation?

Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)

What causes the formation of ocean currents?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples